The radius of a circle is 7 centimeters What is the circumference of the circle? What is the area of the circle?

Question

asked Jun 3, 2021 54.8k views

1 Answer

Faviola · Answer 1 · 2021-06-07T07:19:37+0000

a) So we know the formula of finding the circumference: 2*pi*R.

Assuming we make pi = 3.14: 2 * 3.14 * 7 = 43.96.

b) We also know the formula of finding the area: pi * r^2.

3.14 * 7^2. Using PEMDAS:

3.14 * 49 = 153.86