Question

Find the area of a circle with a radius of 3 .

Either enter an exact answer in terms of π or use 3.14 point, 14 for π and enter your answer as a decimal.

Answer 1

9π

Explanation:

A=πr^2

plug in the radius (3) and you got your answer

Answer 2

Explanation:

Area of a circle = ฯฯr2

Where ฯฯ = 3.14, r=3 (unit is missing)

Area = 3.14 × (3 square)

Area=3.14×9=28.26