Question

If the circumference of a circle is 64$\pi$ then the area of the circle (in terms of $\pi$) is

• A. 3.14
• B. 3.22
• C. 3.45
• D. 3.55

Answer 1

The correct option is A

3.14

Given circumference of the circle = $64\pi$
Let $r$ be the radius of the circle.
Circumference = $2\pi r$
$64\pi$ = $2.\pi r$
$r=32$
Area of the circle

$=\pi r^2=\pi {32}^2=1024\pi$