Question

The area of a circle is 88.08cm2.
Find the length of the radius rounded to 2 DP.

Answer 1

5.29cm

Explanation:

=
`√(28.036734775068)`

=5.29497259

Answer 2

Explanation:

Area of circle = 88.08 cm²

πr² = 88.08

`(22)/(7)*r^(2)=88.08\\\\\\r^(2) = \frac{88.08}*7{22}\\\\\\r^(2)= 28.03\\\\r=√(28.03)\\\\r=5.29 \ cm`