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  1. helpmeplz311
    • 2 years ago
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    @Hero

  2. helpmeplz311
    • 2 years ago
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    @timo86m

  3. helpmeplz311
    • 2 years ago
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    i got 56 as p 187 as b lateral as 672 total as 706 correct?

  4. helpmeplz311
    • 2 years ago
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    Number one.

  5. AriPotta
    • 2 years ago
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    i got 1046 for total

  6. helpmeplz311
    • 2 years ago
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    how? i keep getting that wrong..

  7. AriPotta
    • 2 years ago
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    surface area of a rectangular prism = Ph + 2B 56(12) + 2(187) = 1046

  8. helpmeplz311
    • 2 years ago
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    i did 56 x 12 x + 2 x 17

  9. helpmeplz311
    • 2 years ago
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    oh. one EIGHT seven. howd u get that?

  10. AriPotta
    • 2 years ago
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    but 187 is B lol

  11. helpmeplz311
    • 2 years ago
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    area of the base... 17 x 17?

  12. timo86m
    • 2 years ago
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    1 is easy just add up the sides of the figure

  13. AriPotta
    • 2 years ago
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    you already figured out that B = 187

  14. helpmeplz311
    • 2 years ago
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    oh times 11. ok

  15. helpmeplz311
    • 2 years ago
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    yes, ma'am

  16. helpmeplz311
    • 2 years ago
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    ok. ill correct that.

  17. helpmeplz311
    • 2 years ago
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    done

  18. AriPotta
    • 2 years ago
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    what's the second figure?

  19. helpmeplz311
    • 2 years ago
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    triangular prism

  20. AriPotta
    • 2 years ago
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    yep, and what's the perimeter of the base?

  21. helpmeplz311
    • 2 years ago
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    umm, let me add,

  22. helpmeplz311
    • 2 years ago
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    42?

  23. timo86m
    • 2 years ago
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    btw in the first pic dont include the floor/ base of figure since you dont need to paint that :P

  24. helpmeplz311
    • 2 years ago
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    in^2?

  25. helpmeplz311
    • 2 years ago
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    ok timo:)

  26. AriPotta
    • 2 years ago
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    the base of a triangular prism is a triangle, you should get 36 as the perimeter

  27. AriPotta
    • 2 years ago
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    and i think timo is talking about number 6? we're only on number 2

  28. helpmeplz311
    • 2 years ago
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    um,is it not 9+12+9+12?

  29. AriPotta
    • 2 years ago
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    no, because it's a triangle, not a square or rectangle. so add up 9, 12, and 15

  30. helpmeplz311
    • 2 years ago
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    oh. ok.. i get it:)

  31. helpmeplz311
    • 2 years ago
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    let me write that

  32. helpmeplz311
    • 2 years ago
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    done

  33. helpmeplz311
    • 2 years ago
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    b would be..umm..let me calculate..

  34. helpmeplz311
    • 2 years ago
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    um, 54?

  35. AriPotta
    • 2 years ago
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    yep :)

  36. helpmeplz311
    • 2 years ago
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    yay! im finally getting it! tnx to the awesome ari! i mean 296!

  37. helpmeplz311
    • 2 years ago
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    ok,let me write 54 down.

  38. helpmeplz311
    • 2 years ago
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    done

  39. helpmeplz311
    • 2 years ago
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    ok, eo,lateral, let me try.

  40. helpmeplz311
    • 2 years ago
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    324

  41. AriPotta
    • 2 years ago
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    no. the lateral area would be the rectangles

  42. helpmeplz311
    • 2 years ago
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    oh. but are the formu,as not the same or smthing?

  43. AriPotta
    • 2 years ago
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    no, they're not. that formula was for a rectangular prism. this is a triangular prism

  44. helpmeplz311
    • 2 years ago
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    because it too asks for the lateral area of the triang. prism

  45. helpmeplz311
    • 2 years ago
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    can u plz explain for the triang prism?

  46. AriPotta
    • 2 years ago
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    just find the areas for each of the rectangles and add them together

  47. helpmeplz311
    • 2 years ago
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    oh. um, let me try,

  48. helpmeplz311
    • 2 years ago
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    438?

  49. AriPotta
    • 2 years ago
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    no

  50. helpmeplz311
    • 2 years ago
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    aah! um, area of a triangle is bh,yes?

  51. AriPotta
    • 2 years ago
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    you're not trying to find the area of the triangle. you're finding the areas of each of the rectangles

  52. AriPotta
    • 2 years ago
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    and area of a triangle = bh/2

  53. helpmeplz311
    • 2 years ago
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    ohh. so im actually finding the area of rectangles as those a re the laterals'/sides?

  54. AriPotta
    • 2 years ago
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    yes.

  55. helpmeplz311
    • 2 years ago
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    ohh. ok,once more..

  56. helpmeplz311
    • 2 years ago
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    um, was it more or less than my last answ er?

  57. AriPotta
    • 2 years ago
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    ...more.

  58. helpmeplz311
    • 2 years ago
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    372?

  59. AriPotta
    • 2 years ago
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    311, i gotta do some chemistry soon. no.

  60. helpmeplz311
    • 2 years ago
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    you have to include the 15?

  61. helpmeplz311
    • 2 years ago
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    ok,last try. 444.

  62. AriPotta
    • 2 years ago
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    what's the area of this rectangle?

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  63. helpmeplz311
    • 2 years ago
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    yes, 22 x 12, no?

  64. AriPotta
    • 2 years ago
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    yes, which is...

  65. helpmeplz311
    • 2 years ago
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    umm,264

  66. AriPotta
    • 2 years ago
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    yes. and what's the area of this rectangle?

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  67. helpmeplz311
    • 2 years ago
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    umm, 350

  68. helpmeplz311
    • 2 years ago
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    594?

  69. AriPotta
    • 2 years ago
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    why are you guessing? what's 22 x 15?

  70. helpmeplz311
    • 2 years ago
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    350

  71. AriPotta
    • 2 years ago
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    it's 330

  72. AriPotta
    • 2 years ago
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    and what's the area of this rectangle?

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  73. helpmeplz311
    • 2 years ago
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    im using a calculator.

  74. AriPotta
    • 2 years ago
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    i'm using one too. it's 330

  75. helpmeplz311
    • 2 years ago
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    the first i said 264

  76. helpmeplz311
    • 2 years ago
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    i put 22*15 into web22.0calc

  77. AriPotta
    • 2 years ago
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    maybe you should use a different calculator

  78. helpmeplz311
    • 2 years ago
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    umm,let me see. then..

  79. helpmeplz311
    • 2 years ago
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    o yea! just used google's

  80. AriPotta
    • 2 years ago
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    so what's the area of that last rectangle?

  81. helpmeplz311
    • 2 years ago
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    um,the first one was 264. the second 330?

  82. AriPotta
    • 2 years ago
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    what's the area of this rectangle...

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  83. helpmeplz311
    • 2 years ago
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    9 x 12?

  84. AriPotta
    • 2 years ago
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    9 x 22...

  85. helpmeplz311
    • 2 years ago
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    umm 198

  86. AriPotta
    • 2 years ago
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    yes. so what's 198 + 330 + 264?

  87. helpmeplz311
    • 2 years ago
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    um 762

  88. AriPotta
    • 2 years ago
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    792

  89. helpmeplz311
    • 2 years ago
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    ok. ill let you alone now. tnx ill search for someone elses hellp if u like

  90. AriPotta
    • 2 years ago
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    i was gonna finish helping you with this one. you still have to find total surface area

  91. helpmeplz311
    • 2 years ago
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    o yea

  92. AriPotta
    • 2 years ago
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    so 792 is our lateral area, all we have to do is add the areas of those two triangle. what do you get?

  93. AriPotta
    • 2 years ago
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    triangles*

  94. helpmeplz311
    • 2 years ago
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    um... let me se..

  95. helpmeplz311
    • 2 years ago
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    is 12 tthe base?

  96. AriPotta
    • 2 years ago
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    the base is the triangle. you've already found the area of the base. it's 54. all you have to do is: 792 + 54 + 54 = ?

  97. helpmeplz311
    • 2 years ago
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    ok. um

  98. helpmeplz311
    • 2 years ago
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    900

  99. AriPotta
    • 2 years ago
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    yes!

  100. AriPotta
    • 2 years ago
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    does that make sense? what we did?

  101. helpmeplz311
    • 2 years ago
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    finally. tnx,ari:) ill stop botheringn u now

  102. helpmeplz311
    • 2 years ago
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    um,yes u believe so

  103. helpmeplz311
    • 2 years ago
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    i*

  104. AriPotta
    • 2 years ago
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    idk if you already have one or not, or if you can even see it...but i think this will help you: http://learn.flvs.net/educator/common/StephanieLundy/EOCreferencesheet.pdf

  105. helpmeplz311
    • 2 years ago
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    ok.tnx:)

  106. helpmeplz311
    • 2 years ago
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    mayi message u my answers?

  107. AriPotta
    • 2 years ago
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    is anyone else gonna help you?

  108. helpmeplz311
    • 2 years ago
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    i dont think so

  109. AriPotta
    • 2 years ago
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    :L maybe they will... @Hero @JakeV8

  110. helpmeplz311
    • 2 years ago
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    ok. ill try them on my own first

  111. AriPotta
    • 2 years ago
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    mmk. i'm off the chem. gl :)

  112. AriPotta
    • 2 years ago
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    off to*

  113. helpmeplz311
    • 2 years ago
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    hi jake its only 4 probs

  114. helpmeplz311
    • 2 years ago
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    okay 296:) tnx for ur help

  115. AriPotta
    • 2 years ago
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    no problem :) make sure you tell him you've done one and two on the second link

  116. AriPotta
    • 2 years ago
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    well, i guess i just did lol. nvm

  117. helpmeplz311
    • 2 years ago
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    okay. jake, ive done one and two on the second link:D

  118. JakeV8
    • 2 years ago
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    what are the P and B things? Help me help you...

  119. helpmeplz311
    • 2 years ago
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    and i need not do the bonus

  120. helpmeplz311
    • 2 years ago
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    ok. lol p isperimeter of base

  121. helpmeplz311
    • 2 years ago
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    b is area of base

  122. JakeV8
    • 2 years ago
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    And you're up to # 3 on the 2nd link, as sayeth @AriPotta ?

  123. helpmeplz311
    • 2 years ago
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    yes

  124. JakeV8
    • 2 years ago
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    They show you all three leg-lengths on the picture... one is one the bottom, two are shown on the top. Just add 'em up...

  125. helpmeplz311
    • 2 years ago
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    i want to try and talk old fashionedly noe lol

  126. helpmeplz311
    • 2 years ago
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    jake pls can u work them out and explain asnu gi along? please?

  127. helpmeplz311
    • 2 years ago
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    its 4 probs

  128. JakeV8
    • 2 years ago
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    look at the diagram... see how it shows one of the bottom sides as 8? And the top shows the other two sides as 7 and 5 Perimeter = 8 + 7 + 5

  129. helpmeplz311
    • 2 years ago
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    ok. letnme add.

  130. helpmeplz311
    • 2 years ago
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    20

  131. JakeV8
    • 2 years ago
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    Adding is good. Reading the diagram and realizing that all you need to do for perimeter is add those 3 sides is even better. For # 3, P = 20 is correct.

  132. helpmeplz311
    • 2 years ago
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    yay! ok, now, b

  133. JakeV8
    • 2 years ago
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    B is the area of the base. The formula for area of a triangle is, as you surely know, 1/2 * base * height Again, the base side has length 8. And the height is shown as 4.3. (I'm just reading the diagram... no magic) So find 1/2 * 8 * 4.3

  134. helpmeplz311
    • 2 years ago
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    ok,sir

  135. JakeV8
    • 2 years ago
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    What did you get?

  136. helpmeplz311
    • 2 years ago
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    17.2

  137. helpmeplz311
    • 2 years ago
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    Jame, Ive to go soon. But, if you leave explanations to thhe three remaining problems,mi will give you a medal.

  138. JakeV8
    • 2 years ago
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    Ok, great. Next is lateral surface area. Check that diagram again... the side surfaces are all rectangles, right? And area of a rectangle is length X width, or length X height (basically one side X the other side). So, please tell me the the length and height, then multiply to get the area of each of the 3 lateral side surfaces: Lateral side 1: Length: Height: Length X Height = ? Lateral side 2: Length: Height: Length X Height = ? Lateral side 3: Length: Height: Length X Height = ? This is really easy... it's just reading the length of each edge, and all the heights are the same... then it's easy multiplying... you know how to do this.

  139. helpmeplz311
    • 2 years ago
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    oops s, jake*

  140. helpmeplz311
    • 2 years ago
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    Yes,? please. i am begging you. ill rereadmthe explanation so i get them.

  141. helpmeplz311
    • 2 years ago
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    itmis 11:00 pm where i amAnd ive to get up early tmrw

  142. helpmeplz311
    • 2 years ago
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    please?

  143. helpmeplz311
    • 2 years ago
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    i would very much appreciate itnif u droppedoff thenanswersnhere. i really really need them:/

  144. JakeV8
    • 2 years ago
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    This is like a puzzle... you find the bottom area... and the bottom area is the same as the top area. Then, you find the side areas... then you add the bottom, top, and all 3 sides together. You found the bottom area earlier... 17.2. So that's also the top area... Now you have to find the sum of all the side areas... All sides are rectangles with area = length X height So the first is : length1 * height And the 2nd is : length2 * height And the 3rd is : length3 * height And the sum of all three areas is: length1 * height + length2 * height + length3 * height But since height is the same, you can think of "distributive property" and rewrite the lateral side areas as: height * (length 1 + length2 + length3) And notice that adding those 3 lengths together is the same as the perimeter, and you already found that to be 20. So the lateral side area is height * perimeter = height * 20

  145. helpmeplz311
    • 2 years ago
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    please please please leave the remaining answers to the third one and fourth on this image and the other two probs on the second image as well youll be rewarded.

  146. JakeV8
    • 2 years ago
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    So put in the value of the height (height = 9), and solve for lateral side area... that's the 3rd part. Then, for total surface area, add the lateral side area you just now found to the top area + the bottom area... remember, those were each 17.2 So the total surface area = (9 * height) + 17.2 + 17.2

  147. helpmeplz311
    • 2 years ago
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    um and the height would be 4.3,yes?

  148. JakeV8
    • 2 years ago
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    no that's the height of the base side. Height of the prism itself is shown as 9

  149. helpmeplz311
    • 2 years ago
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    um, ok 180

  150. JakeV8
    • 2 years ago
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    that's the 3rd part... lateral side area = 120

  151. JakeV8
    • 2 years ago
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    oops, 180, sorry!!!!!!!!!

  152. helpmeplz311
    • 2 years ago
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    i have to go:/ please:/ have mercy:/

  153. JakeV8
    • 2 years ago
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    3rd part: lateral side area = 180 4th part: total area = 180 + top + bottom = 180 + 17.2 + 17.2 = 180 + 34.4 = 214.4

  154. helpmeplz311
    • 2 years ago
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    please:-'and thanks but

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