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hali12 Group Title

pentagon ABCDE ~ pentagon FGHIJ. Use the figures below to answer the following questions @jim_thompson5910

  • one year ago
  • one year ago

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  1. jim_thompson5910 Group Title
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    you're missing the figures

    • one year ago
  2. jim_thompson5910 Group Title
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    or the following questions

    • one year ago
  3. hali12 Group Title
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    sorry i keep getting distracted

    • one year ago
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  4. jim_thompson5910 Group Title
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    that's ok

    • one year ago
  5. jim_thompson5910 Group Title
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    AB corresponds to FG

    • one year ago
  6. jim_thompson5910 Group Title
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    So FG/AB = 6/8 = 0.75 is the number you multiply each side length in the larger pentagon to get the corresponding side length in the smaller pentagon

    • one year ago
  7. hali12 Group Title
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    8?

    • one year ago
  8. jim_thompson5910 Group Title
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    8 times 0.75 = 6

    • one year ago
  9. jim_thompson5910 Group Title
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    oh wait, i read that wrong...one sec

    • one year ago
  10. jim_thompson5910 Group Title
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    oh for some reason, it still works out...lucky coincidence but yes, you multiply by 0.75

    • one year ago
  11. hali12 Group Title
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    oh

    • one year ago
  12. jim_thompson5910 Group Title
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    to go backwards, you divide by 0.75

    • one year ago
  13. jim_thompson5910 Group Title
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    notice how FJ corresponds to AE

    • one year ago
  14. jim_thompson5910 Group Title
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    and FJ = 6 So AE = FJ/0.75 = 6/0.75 = 8 which means AE = 8

    • one year ago
  15. hali12 Group Title
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    so then i had it right?

    • one year ago
  16. jim_thompson5910 Group Title
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    yes, sry i didn't see that til now

    • one year ago
  17. hali12 Group Title
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    ok, cool and for #14 it would be 2.5?

    • one year ago
  18. hali12 Group Title
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    no no no it would be 3

    • one year ago
  19. jim_thompson5910 Group Title
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    which side corresponds to IJ?

    • one year ago
  20. hali12 Group Title
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    CD, so it would make it 3? correct?

    • one year ago
  21. jim_thompson5910 Group Title
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    this is why this problem is a bit confusing

    • one year ago
  22. jim_thompson5910 Group Title
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    the second pentagon should be rotated slightly clockwise so that FG matches up with AB

    • one year ago
  23. jim_thompson5910 Group Title
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    now tell me what ij corresponds to

    • one year ago
  24. hali12 Group Title
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    8

    • one year ago
  25. jim_thompson5910 Group Title
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    did you do the rotation? this will make F the bottom most point

    • one year ago
  26. hali12 Group Title
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    yea

    • one year ago
  27. jim_thompson5910 Group Title
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    so ij corresponds to ???

    • one year ago
  28. jim_thompson5910 Group Title
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    which side from ABCDE

    • one year ago
  29. hali12 Group Title
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    de

    • one year ago
  30. jim_thompson5910 Group Title
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    good

    • one year ago
  31. jim_thompson5910 Group Title
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    now multiply that length by 0.75 to find ij

    • one year ago
  32. hali12 Group Title
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    2.5

    • one year ago
  33. jim_thompson5910 Group Title
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    try it again 5 times 0.75 = ???

    • one year ago
  34. jim_thompson5910 Group Title
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    de = 5

    • one year ago
  35. hali12 Group Title
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    3.75

    • one year ago
  36. jim_thompson5910 Group Title
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    good

    • one year ago
  37. hali12 Group Title
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    fg would be 4?

    • one year ago
  38. jim_thompson5910 Group Title
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    fg corresponds to ???

    • one year ago
  39. hali12 Group Title
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    ab?

    • one year ago
  40. jim_thompson5910 Group Title
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    good FG = 0.75 times AB

    • one year ago
  41. hali12 Group Title
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    6

    • one year ago
  42. jim_thompson5910 Group Title
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    you nailed it

    • one year ago
  43. hali12 Group Title
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    thanks, this will be the last one i promise

    • one year ago
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  44. jim_thompson5910 Group Title
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    The two triangles are similar So AD/ED = BD/CD 35/16 = 25/x Now solve for x

    • one year ago
  45. hali12 Group Title
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    9.6?

    • one year ago
  46. jim_thompson5910 Group Title
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    no

    • one year ago
  47. jim_thompson5910 Group Title
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    35/16 = 25/x 35x = 16*25

    • one year ago
  48. hali12 Group Title
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    7 6/7

    • one year ago
  49. jim_thompson5910 Group Title
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    no it's not any of those answer choices

    • one year ago
  50. jim_thompson5910 Group Title
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    x is the length of CD

    • one year ago
  51. jim_thompson5910 Group Title
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    which isn't listed

    • one year ago
  52. hali12 Group Title
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    16*25=400

    • one year ago
  53. jim_thompson5910 Group Title
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    good

    • one year ago
  54. jim_thompson5910 Group Title
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    35x = 16*25 35x = 400

    • one year ago
  55. hali12 Group Title
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    dfsdfdddddddd

    • one year ago
  56. hali12 Group Title
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    sorry cat walked on the kep board... and i dont get wat i do next

    • one year ago
  57. hali12 Group Title
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    key*

    • one year ago
  58. jim_thompson5910 Group Title
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    that's ok, divide both sides by 35

    • one year ago
  59. hali12 Group Title
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    45 divided by 35, and what else by 35?

    • one year ago
  60. hali12 Group Title
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    11.4

    • one year ago
  61. jim_thompson5910 Group Title
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    ok now subtract this from 25

    • one year ago
  62. hali12 Group Title
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    13.6

    • one year ago
  63. jim_thompson5910 Group Title
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    which is closest to which answer choice?

    • one year ago
  64. hali12 Group Title
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    13 4/7

    • one year ago
  65. hali12 Group Title
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    13.6 is closest to 13 6/7

    • one year ago
  66. jim_thompson5910 Group Title
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    your first response is correct

    • one year ago
  67. jim_thompson5910 Group Title
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    13.6 is closest to 13 4/7

    • one year ago
  68. jim_thompson5910 Group Title
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    which is the answer

    • one year ago
  69. hali12 Group Title
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    13 4/7

    • one year ago
  70. jim_thompson5910 Group Title
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    yes

    • one year ago
  71. hali12 Group Title
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    thank you,... i was just wondering, but are u like a teacher or something?

    • one year ago
  72. jim_thompson5910 Group Title
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    i'm a student learning to become one

    • one year ago
  73. hali12 Group Title
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    your are amazing

    • one year ago
  74. jim_thompson5910 Group Title
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    why thank you, i appreciate the compliment

    • one year ago
  75. hali12 Group Title
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    your are verry verry welcome, you helped me out so much that i officaly have a B in geometry ( summerschool) i had failed it the first time idurring the year, i dont know what i would have done with out you...

    • one year ago
  76. jim_thompson5910 Group Title
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    i'm glad i could help you out, you're very smart and it sounds like you're starting to get the hang of this stuff, which is great

    • one year ago
  77. hali12 Group Title
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    thank you :)

    • one year ago
  78. jim_thompson5910 Group Title
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    you're welcome

    • one year ago
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