Fine the area of a circle that has a diameter of 12 inches A=3.14r2

Mathematics · Middle School · Mon Jan 18 2021

Answered on

Given:

Diameter = 12 inches

Determine the area of the circle

Formula for the area of the circle:

A = 3.14 r^2

Solution:

Solve first for the value of r.

d = 2r

r = d/2

r = 12/2

r = 6 inches

A = (3.14)(6 in)^2

A = 36 in^2 (3.14)

A = 113.04 in^2

Final answer:

A = 113.04 in^2