Question

The radius of a circle is 7 cm.find its area to the nearest 10th

Answer 1

A = 153.9 cm^2

Explanation:

The formula for the area of a circle of radius r is A = (pi)(r)^2.

Here, with r = 7 cm, the area is A = (pi)(7 cm)^2 = 49(pi)(cm)^2, or (to the nearest 10th): A = 153.9 cm^2