R5oseEmilybraudreWi R5oseEmilybraudreWi

25-03-2017
Mathematics

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The area of a trapezoid is 36 square inches. the height is 4 inches and one base is twice the length of the other base. what are the lengths of the bases?

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1999eva 1999eva

28-03-2017

if one base is x the other one is 2x
so
S=(B+b)*h/2
36=(x+2x)*4/2
36=3x*2
3x=18
x=6
so the smaller base is 6 inches
the other base is 2*6=12inches

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