Question

find the circumference of circle whose radius is 7cm​

Answer 1

Circumference of a circle

2πr

2×22/7×7

22×2

=44

Answer 2

SOLUTION:-

$circumference = 2\pi \: r \\ \\ radius = 7cm \\ \\ circumference \: = 2 \times \frac{22}{7} \times 7 \\ = 44cm|$