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Maths-

General

Easy

Question

A person is standing exactly at the centre of a circle. The distance of the person from the boundary of the circle is 3 ft. Find the area of the circle.

hint Hint:

Given The distance of the person from the boundary of the circle
is 3 ft i. e distance from centre to boundary (or) radius.
Now find the area of the circle by substituting them in the formula
area of circle = $pi r squared$ .

The correct answer is: The area of the circle is 28.274 sq. feet.

ANS :- 28.274 sq. feet is the area of the circle.
Explanation :-
Given, the radius of circle is 3 ft
Then we get area of circle = $pi r squared$
$equals pi left parenthesis 3 right parenthesis squared$
$equals 9 pi f t squared$
= 28.274 sq. ft
∴The area of the circle is 28.274 sq. feet.

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