## Basic College Mathematics (10th Edition)

The area of the semicircle is $39.3$ m$^{2}$
1. Using the formula $\frac{1}{2} \pi r^{2}$, find the area of the semicircle Let $A=$ the area of the semi-circle $A = \frac{1}{2}\pi r^{2}$ $A = \frac{1}{2} 3.14 \times (5^{2})$ $A = \frac{1}{2} 3.14 \times 25$ $A = 39.25$ m$^{2}$ $A = 39.3$ m$^{2}$