Question

Find the area of a circle with radius, R = 6.37m.
Give your answer rounded to 2 DP

Answer 1

It's 127.47

First we take the radius and square it

6.37^2

then we multiply it by pi

40.5769 x π = 127.47

Answer 2

A = 127.48 rounded

Explanation:

Area of a circle:

A =
`\pi r^(2)`

A =
`\pi`
`(6.37)^(2)`

A = 127.48 rounded