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18 October, 09:24

Christopher's backyard is in the shape of a trapozoid. The bases of his backyard are 30 and 40 feet long. The area of his back yard is 525 square feet. Write and solve an equation to find the height of Christopher's back yard.

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  1. 18 October, 09:28
    0
    The formula for area of a trapezoid is 1/2h• (b+b)

    so let's plug in the numbers

    1/2h• (70) = 525

    so divide both sides by 70

    1/2h=7.5

    now divide both sides by 0.5

    h=15

    so the height is 15.
  2. 18 October, 09:38
    0
    Well for firsts the area of a trapezoid is A = (b1+b2) h * 1/2 or A = (b1+b2) h divided by 2.

    So basically we have to do the opposite kind off.
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Home » Mathematics » Christopher's backyard is in the shape of a trapozoid. The bases of his backyard are 30 and 40 feet long. The area of his back yard is 525 square feet. Write and solve an equation to find the height of Christopher's back yard.
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