Question

A square of area of 50 sq. cm is inscribed in a circle with centre O. Which of the following is the circumference of the circle?​

Answer 1

STEP BY STEP EXPLANATION:

Area of square = 36 sq units.

Hence, side $= \sqrt{36} = 6units$

As circle is inscribed in square, so the diameter of the circle = 6.

If the diameter of the circle is 6 then the radius of the circle is 3 as the radius is half of diameter.

Hence, the circumference of the circle is

$= 2\pi \times r = 2 \times 3.14 \times 3$

$= 18.84$

Hence, the circumference of circle is 18.84.

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