Question

The area of a circle is 28.2 square inches. To the nearest whole number, what is the radius? ( π = 3.14 )

r≈3 inches

r≈9 inches

r≈25 inches

r≈89 inches

Answer 1

r^2 = area / 3.24
= 28.2 / 3.14
= 8.98

That is 9 inches