1. ## Pi - area

This is a maths problem that i will need to help me with my revision for my exams next week so please could you answer this problem:
The radius of a circle is 12mm. what is the area of the circle to the nearest mm squared.

2. Originally Posted by molly
This is a maths problem that i will need to help me with my revision for my exams next week so please could you answer this problem:
The radius of a circle is 12mm. what is the area of the circle to the nearest mm squared.
The formula you need to remember is the area of a circle.

$A=\pi*r^2$

Where A = area
$\pi$= 3.14159
$A=\pi*r^2=\pi*12^2=\pi*144=452.389=452mm^2$