Question

If the area of circle is $176c{m}^2$.find the radius of the circle.

Answer 1

The area of circle is given by $\pi r^2=176c{m}^2\frac{22}{7}\times r^2=176r^2=176\times \frac{7}{22}{r}^2=8\times 7r=\sqrt{56}=2\sqrt{14}$