Mark M. answered • 05/07/20
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A = 0.5(b1 + b2)h
30 = 0.5(8 + b2)(3)
Can you solve for b2 and answer?
Kaylee T.
asked • 05/07/20Areas of Trapezoids, Rhombi, and Kites
A trapezoid has a height of 3 m, a base length of 8 m, and an area of 30 m2. What is the length of the other base?
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Patrick B. answered • 05/07/20
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Area = (1/2) height ( bottom + top)
30 = (1/2)(3) ( 8 + x)
60 = 3(8 + x) <--- multiplies by 2 to kill the fraction
20 = 8 + x <--- divides by 3
x = 12 <--- subtracts 8
the missing base (bottom) is 12
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