Question

What is the area of a circle with circumference 88 cm ?

• A. 616 sq cm
• B. 546 sq cm
• C. 600 sq cm
• D. 615 sq cm

Answer 1

Answer: (A)

616 sq cm

$2\pi r=88cm\Rightarrow r=\frac{88\times 7}{2\times 22}=14cm$
$\therefore Area=\pi r^2=(\frac{22}{7}\times 14\times 14)c{m}^2=616c{m}^2$