Question

Circumference of a circle with radius 7 cm is

Answer 1

Answer:

circumference = 2πr

2 × 22/7 × 7 = 44cm

Answer 2

Answer:

$circumference \: of \: a \: circle \: = 2\pi \: r$

$given \: r \: = 7cm$

$circumference = 2 \times \frac{22}{7} \times 7$

$= 44cm$