## Basic College Mathematics (10th Edition)

The area is $206.0$ cm$^{2}$.
1. Using the formula $\pi r^{2}$, find the area of the circle Note: The radius is $(16.2 \div 2) = 8.1$ cm Let $A=$ the area of the circle $A = \pi r^{2}$ $A = 3.14 \times (8.1^{2})$ $A = 3.14 \times 65.61$ $A = 206.015$ cm$^{2}$ $A = 206.0$ cm$^{2}$