Question

Find the area of a circle with radius, r = 9cm.
Give your answer in terms of π .

Answer 1

81 π

Explanation:

formula is radius squared times pi or π so the answer would be 9x9=81 and you said to leave in terms of π so the answer is 81 π.

Answer 2

`81\pi`

Explanation:

`Area = \pi * r^(2) \\\pi *9^(2) =81\pi`