express b1 in terms of A, h and b2

Algebra
Tutor: None Selected Time limit: 1 Day

the area of a trapezoid is 60 square feet, it's height is 6 ft and one base is 12 ft, find the number of feet in the other one.

Apr 11th, 2015

Area of trapezoid = (b1 + b2)/2 * h

60 = (12 + b2)/2 * 6

120 = 6(12 + b2)

12 + b2 = 120/6 = 20

b2 = 20 - 12 = 8 ft

Apr 11th, 2015

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Apr 11th, 2015
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Apr 11th, 2015
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