Asked by Anonymous

The area of a circle is 28.26 square centimeters. What is its diameter (use 3.14 for ð)?
Answered by Ms. Sue
A = pi * r^2
28.26 = 3.14 * r^2
28.26 / 3.14 = r^2
9 = r^2
3 = r

D = 2r



Answered by Anonymous
The ratio of the circumference of a circle to its diameter is called π. The ratio of the circumference to the diameter of a circle is 28.26 cm to 9 cm.