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anonymous

  • one year ago

Help ill fan and reward! (: thanks!

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  1. anonymous
    • one year ago
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    Alex wants to paint one side of his skateboard ramp with glow-in-the-dark paint, but he needs to know how much area he is painting. Calculate the area of the isosceles trapezoid.

  2. anonymous
    • one year ago
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    |dw:1434046250486:dw|This is it (:

  3. anonymous
    • one year ago
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    I believe the answer is 112 but i need to be sure of it.

  4. Vocaloid
    • one year ago
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    hm, not quite, can you show me your math?

  5. anonymous
    • one year ago
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    @Vocaloid

  6. anonymous
    • one year ago
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    its multiple choice here are the answers 112 ft2 128 ft2 132 ft2 144 ft2

  7. Vocaloid
    • one year ago
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    can you show me how you got the answer 112?

  8. Vocaloid
    • one year ago
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    i want to make sure you aren't just guessing, ok? :)

  9. Mahmood786123
    • one year ago
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    1. do base times hight which is 8 times 18 2. you have your answer I think thats how you do it

  10. anonymous
    • one year ago
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    ok @Vocaloid

  11. Vocaloid
    • one year ago
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    previous answer is incorrect

  12. anonymous
    • one year ago
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    thanks @Mahmood786123

  13. Vocaloid
    • one year ago
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    Mahmood's answer is incorrect, please show me how you got your answer

  14. Mahmood786123
    • one year ago
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    but you see what @Vocaloid has to say

  15. anonymous
    • one year ago
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    i will

  16. Mahmood786123
    • one year ago
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    base times hight 8 times 18 144

  17. Mahmood786123
    • one year ago
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    thats what my school taught me how to do it

  18. Vocaloid
    • one year ago
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    nope, this is a trapezoid, not a rectangle to find the area of the trapezoid, use the formula A = height*(base1+base2)/2

  19. Mahmood786123
    • one year ago
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    oops wrong formula

  20. anonymous
    • one year ago
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    i did 18 x 8

  21. anonymous
    • one year ago
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    144

  22. Vocaloid
    • one year ago
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    not quite, that would be a rectangle, not a trapezoid

  23. Vocaloid
    • one year ago
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    to find the area of a trapezoid: take the top part (14), add the bottom part (18), then divide by 2 then multiply by the height (8)

  24. anonymous
    • one year ago
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    184

  25. Vocaloid
    • one year ago
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    not quite... let's break it down step by step: what is (14+18)/2?

  26. anonymous
    • one year ago
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    16

  27. Vocaloid
    • one year ago
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    great, so what is 16*8?

  28. anonymous
    • one year ago
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    128

  29. Vocaloid
    • one year ago
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    excellent! that's the area of the trapezoid! remember: to find the area of a trapezoid, add the two bases together, divide by 2, then multiply by the height

  30. anonymous
    • one year ago
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    (: thank you so much

  31. anonymous
    • one year ago
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    can you help with more?

  32. Vocaloid
    • one year ago
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    I guess, sure

  33. anonymous
    • one year ago
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    ok im going to make new question so i can give you more medals if you help

  34. Vocaloid
    • one year ago
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    sure, just tag me when you're done

  35. anonymous
    • one year ago
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    i will

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