Question

find the diameter of 61.6m

Answer 1

Circumference of circle =2πr
$2\pi \: r = 61.6m$

$2 \times \frac{22}{7} \times r = 61.6m$

$r = 61.6 \times \frac{7}{22} \times \frac{1}{2}$
$r = \frac{431.2}{44}$
$r = 9.8m$
Diameter = 2r= 2x 9.8 =19.6m