## Algebra: A Combined Approach (4th Edition)

Substitute the values for A, B, and b into the equation: A = $\frac{1}{2}$h(B + b) 60 = $\frac{1}{2}$h(7 + 3) Solve for h: 60 = $\frac{1}{2}$h(10) 60 = 5h 12 = h