Find the area of a circle with diameter of 10 cm. Let pi = 3.14

Question

asked Jan 28, 2021 75.0k views

1 Answer

Leo · Answer 1 · 2021-02-02T10:57:06+0000

Answer:

A = 78.5 cm^2

Explanation:

The diameter is 10 so the radius is 1/2 of the diameter

r =1/2d = 1/2(10) = 5

The area of a circle is

A = pi r^2

A = 3.14 (5)^2

A = 78.5 cm^2