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5 January, 21:12

The diagonal of a rectangle is 25 in. The width is 15 in. What is the area of the triangle?

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  1. 5 January, 21:35
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    First, find the length

    L^2+W^2=D^2) L for length, W for width, D for diagonal)

    L^2=25^2-15^2=625-225=400

    L=20

    A=1/2 of L*W = (1/2) * 20*15=150 square inches
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