다음을 풀어보세요: {l}{A=1/2h{(b_{1}+b_{2})}}{a=b_{2}}{text{Solvefor}btext{where}}{b=a}

$$\left. \begin{array} { l } { A = \frac{1}{2} h {(b_{1} + b_{2})} }\\ { a = b_{2} }\\ { \text{Solve for } b \text{ where} } \\ { b = a } \end{array} \right.$$

A, h, b_1, b_2, a, b에 대한 해

$$b=b_{2}$$