Question

Find the area of circle whose radius is 7 cm.

• A. 77 $c{m}^2$
• B. 154 $c{m}^2$
• C. 22 $c{m}^2$
• D. 49 $c{m}^2$

Answer 1

The correct option is B 154 $c{m}^2$

Area of circle = $\pi$$r^2$
= $\frac{22}{7}$$\times$$7^2$
= 22$\times$7 = 154 $c{m}^2$