Question

The area of quadrants is 154 cm square. Find its perimeter

Answer 1

Area of Quadrant =

$\pi{r}^{2} \div 4$

1/4×22/7×r×r = 154

22/28×r×r=154

r×r =(154×28)/22

r×r = 4312/22

r=root196

r=14cm