Question

Determine the diameter of a circle that has an area of 22 cm2

Answer 1

Formula of the area if a circle= pi x R^2
where R is the radius of circle and pi is 3.14...
Therefore, 22= pi x R^2
R^2 = 7.002817496
R = 2.646283714
Diameter = 2R

Therefore Diameter= 5.29cm