Question

Solve A = 1/2(b + c)h for c.​

Answer 1

2A/h - b = c

Explanation:

A = 1/2(b + c)h

Multiply each side by 2

2A = (b + c)h

Divide each side by h

2A/h = (b + c)h/h

2A/h = (b + c)

Subtract b from each side

2A/h -b = (b-b + c)

2A/h - b = c