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30 July, 12:45

Mrs. Miller has a trapezoid shaped

poster. Its bases are 18 inches and

10 inches and the height is 7 inches.

How many square inches would

she need to cover the poster with

paint?

+3
Answers (1)
  1. 30 July, 16:31
    0
    Formula for area of a trapezoid:

    Area = a+b/2 x h, where a and b are the two bases.

    Area = (18 + 10) / 2 x 7

    Area = 28/2 x 7 = 14 x 7 = 98 square inches.
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