Question

Find the area of a quadrant of a circle whose circumference is 88$cm$.

Answer 1

Circumference = 88 cm

$2\pi r=88$

$\pi r=44$

$r=14$ cm

Area of quadrant = $\frac{1}{4}\pi r^2$ = $\frac{1}{4}\times \frac{22}{7}\times 14\times 14$ = $154$ sq. cm .