The expression of b1 in terms of A, h, and b2 is expressed as \(b_1 =\frac{2A}{h} - b_2\)
Given the formula for calculating the area of a trapezoid expressed as:
\(A = \frac{1}{2}h(b_1+b_2)\)
We are to express b1 in terms of A, h, and b2 as shown
\(A = \frac{1}{2}h(b_1+b_2)\\2A = h(b_1+b_2)\\\frac{2A}{h} = b_1 + b_2\\ b_1 =\frac{2A}{h} - b_2\)
Hence the expression of b1 in terms of A, h, and b2 is expressed as \(b_1 =\frac{2A}{h} - b_2\)
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