Question

To the nearest tenth, what is the area of a circle whose diameter is 9 feet? Use 3.14 for π . Enter your answer in the box. ft2

Answer 1

Hello.
Area of a circle = 3.14 * r^2
D = 2r
D = 9
r = 4.5
Area = 3.14 * (4.5)^2
Area = 63.6 ft^2