A circle has a radius of 3 inches. What's its approximate area?
28.27
Explanation
The area of a circle is \( {\rm{A = }}\pi {{\rm{r}}^2}. A = \pi {3^2}\) . \(\pi\) is approximately 3.14, so \( 3.14 \times {3^2}\) means A is approximately 28.27 inches.