Question

A circle has a radius of 5 cm.

Diagram NOT
accurately drawn
5 cm
Work out the area of the circle.
Give your answer correct to 3 significant
figures.

Answer 1

area = 78.540 cm ^2

Explanation:

area = Pi (radius^2)

area = 3.14159(5^2) = 3.14159(25) = 78.5397

Answer 2

78.5

Explanation:

pi r^2

22/7 * 5^2