Question

find the circumference of circle having radius 35 cm

Answer 1

Hello friends!!

Radius r of circle = 35 cm

Circumference of circle


$2\pi r$

$2 \times \pi \times 35$

$\\ put \: \pi = \frac{22}{7}$


$\\ = > 2 \times \frac{22}{7} \times 35$


$= > 2 \times 22 \times 5$


$= > 220 \: cm$


Hope it helps you..

Answer 2

Radius of the circle = 35 cm

Circumference = 2πr 

= 2 × 22/7 × 35

= 2 × 22 × 5

= 44 × 5

= ★ 220 cm ★