Question

Find the area of the circle.
Use 3.14 for π.
d = 10 cm
A = [?] cm²
A=TCr2

Answer 1

78.5

Explanation:

The diameter (d) is equal to the radius x 2, so take half of d to get r. Use r (5) in the equation to get your answer.

A= 3.12 x 5^2

A= 78.5