Kennedy81116 Kennedy81116

17-11-2017
Mathematics

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

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tynollette tynollette

17-11-2017

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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