Question

Find the perimeter of the following: (Given $\pi =\frac{22}{7})$
A circle with diameter $8.4$$m$.

Answer 1

Given, $d=8.4m$

$r=\frac{8.4}{2}=4.2m$

Circumference$=2\pi r$

$=2\times \frac{22}{7}\times 4.2$

$=44\times 0.6$

$=26.4m$