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Reaper534

  • one year ago

The height of a trapezoid is 13 inches, one of the bases measures 22 inches. If the area of the trapezoid is 318.5 square inches, find the length of the other base.

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  1. Reaper534
    • one year ago
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    A. 2.5 inches B. 71 inches C. 34.25 inches D. 27 inches

  2. Reaper534
    • one year ago
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    @Callisto

  3. Callisto
    • one year ago
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    |dw:1361590013477:dw|

  4. Reaper534
    • one year ago
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    44*13?

  5. Callisto
    • one year ago
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    Let x be another base area = (x + 22) x height /2 You have area and height. Can you plug in the numbers there and solve for x?

  6. Reaper534
    • one year ago
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    area=318.5 318.5=(x+22)x heoght 2 do i go from there?

  7. Reaper534
    • one year ago
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    ahhh i can awnser its to hard >.<

  8. Callisto
    • one year ago
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    What is the height?

  9. Reaper534
    • one year ago
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    13inc

  10. Callisto
    • one year ago
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    So, you get 318.5 = (x+22) x13 Do you know how to solve it?

  11. Reaper534
    • one year ago
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    yes

  12. Reaper534
    • one year ago
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    32.5

  13. Reaper534
    • one year ago
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    thx a lot

  14. Reaper534
    • one year ago
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    wait dont i do (13x+286)

  15. Callisto
    • one year ago
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    318.5 = (x+22) x13 You can first divide both sides by 13, then subtract 22 from both sides.

  16. Reaper534
    • one year ago
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    ohh ok

  17. Reaper534
    • one year ago
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    2.5

  18. Reaper534
    • one year ago
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    mind helping with 2 more?

  19. Reaper534
    • one year ago
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    Quadrilateral MATH is a square. If MA = 2x – 5 and AT = x + 10, find the perimeter of the square

  20. Reaper534
    • one year ago
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    can u help?

  21. Kris123
    • one year ago
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    Well you set 2x-5=x+10

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