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anonymous

  • one year ago

Please help me

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    Part A: Describe how you can decompose this shape into triangles. (2 points) Part B: What would be the area of each triangle? (5 points) Part C: Using your answers above, determine the area of the table's surface. (3 points)

  3. anonymous
    • one year ago
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    @UsukiDoll

  4. anonymous
    • one year ago
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    @myininaya could you help?

  5. myininaya
    • one year ago
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    |dw:1438911344280:dw|

  6. myininaya
    • one year ago
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    and i bet this is a regular polygon that means all side lengths are equal

  7. myininaya
    • one year ago
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    |dw:1438911426828:dw|

  8. myininaya
    • one year ago
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    can you decompose this thingy into triangles

  9. anonymous
    • one year ago
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    Yes you can decompose it into 6 triangles

  10. myininaya
    • one year ago
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    so like this by the way my polygon is horribly drawn |dw:1438911736430:dw| anyways each of these triangles is suppose to be the same shape as each other

  11. anonymous
    • one year ago
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    Yes

  12. anonymous
    • one year ago
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    it looks good

  13. myininaya
    • one year ago
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    is we divide 12 by 2 what do we get

  14. anonymous
    • one year ago
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    6

  15. myininaya
    • one year ago
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    i mean if not is but yes right

  16. myininaya
    • one year ago
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    |dw:1438911861761:dw||dw:1438911866930:dw|

  17. myininaya
    • one year ago
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    actually we didn't need that :p

  18. myininaya
    • one year ago
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    |dw:1438911894424:dw| what is the base of this triangle?

  19. myininaya
    • one year ago
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    base length that is

  20. anonymous
    • one year ago
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    10.4

  21. myininaya
    • one year ago
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    well that is the height of triangle I tried to darken

  22. myininaya
    • one year ago
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    what is the base length

  23. anonymous
    • one year ago
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    12

  24. myininaya
    • one year ago
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    perfect

  25. myininaya
    • one year ago
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    do you know how to find the area of a triangle given its height is 10.4 and its base is in 12 and just pretend i put the units is inches for each of those :p

  26. anonymous
    • one year ago
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    yes a=1/2* b*h

  27. myininaya
    • one year ago
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    right so .5*12*10.4 =?

  28. anonymous
    • one year ago
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    i thought it was 1/2 * 10.4 *12?

  29. myininaya
    • one year ago
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    it is I just didn't feel like writing a fraction 1/2 is the same as .5

  30. myininaya
    • one year ago
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    they are the same number

  31. anonymous
    • one year ago
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    oh so the answer is 62.4

  32. myininaya
    • one year ago
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    yes earlier you told me you had 6 of those triangles though

  33. myininaya
    • one year ago
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    so you could do 62.4+62.4+62.4+62.4+62.4+62.4 or just do 6(62.4)

  34. anonymous
    • one year ago
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    374.4

  35. myininaya
    • one year ago
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    |dw:1438912272702:dw|

  36. myininaya
    • one year ago
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    yep

  37. myininaya
    • one year ago
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    that is right

  38. myininaya
    • one year ago
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    and just to be more concise we are going to be in^2 at the end

  39. myininaya
    • one year ago
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    area has units squared

  40. anonymous
    • one year ago
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    so the area of the area of each triangle is 62.4?

  41. myininaya
    • one year ago
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    well in^2

  42. myininaya
    • one year ago
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    but yes

  43. anonymous
    • one year ago
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    ok

  44. myininaya
    • one year ago
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    not bad right?

  45. anonymous
    • one year ago
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    honestly it seemed harder but you made it easier

  46. myininaya
    • one year ago
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    i'm glad i could make things easier for ya

  47. myininaya
    • one year ago
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    peace

  48. anonymous
    • one year ago
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    Bye (: Thanks

  49. anonymous
    • one year ago
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    I appreciate your help c:

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