Question

Find the circumference of a circle whose radius is 14 cm.

Answer 1

CIRCUMFERENCE OF A CIRCLE
$2\pi \: r$

Answer 2

using , circumference -
$2\pi r$
we have r= 14 cm
$2 \times 22 \div 7 \times 14$
$= 2 \times 22 \times 2 \\ = 88cm$
therefore, 88 cm is thr req. circumference of the circle