If the radius of the circle is 3 inches, then the area would be found by using the formula \(\pi r^2\). You plug it in, and the formula would get us that the area is \(9 \pi\) square inches. Since \(\frac{360}{90}\) would equal 4, you would do \(\frac{9}{4}\), which would equal \(2 \frac{2}{5}\)
SORRY IF MY TEX FAILS
