Question

A circle has circumference 27 cm. What is the area of the circle? Use 3.14 for .

Answer 1

Circumference = 2πr = 27 cm

= 2 × 3.14 × r = 27

= 3.14 × r = 27/2

so, r =
`(27)/(2)` ×
`(1)/(3.14)` = 4.2 cm