Mathematics, 03.02.2020 01:50 whitenose

The formula for the area of a trapezoid is a=1/2(b1+b2)xh. when this equation is solved for b1, ins equation is
b1=2a/h-b2.
which is the equivalent equation to find b1?

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The formula for the area of a trapezoid is a=1/2(b1+b2)xh. when this equation is solved for b1, ins...