Question

The circumference a circle is 44 cm. Then its area is ______ $c{m}^2$ [Use $\pi =\frac{22}{7}$]

• A. 154
• B. 576
• C. 176
• D. 182

Answer 1

The correct option is A

154

Circumference = 2$\pi r$ = 44 cm

r = $\frac{44}{2\pi }$ = 7 cm

A = $\pi r^2$

A = $\pi$ x $7^2$ = 154 $c{m}^2$