Question

Find the area of circle whose circumference is 44 cm.

Answer 1

Circumference = 44 cm

Let radius = r cm

Circumference = 2 × r = 44 cm

`2 × 22/7 × r= 44`

`r = (44×7)/(2×22) = 7`𝑐𝑚

radius = 7 cm

Area of circle = 𝜋r²

`= 22/7 × 7 × 7 = (22 × 7) = 154`𝑐𝑚²