Question
Class 7MathematicsPerimeter and Area

The radius of a circle is 3.5 cm, find its circumference and area.

Verified Answer

Radius = 3.5 cm

Circumference = 2πr

2 × 22/7 × 3.5 = 22 cm

Area = πr²

= 22/7 × 3.5 × 3.5

= 77/2 = 38.5 cm²