Question

If the perimeter and area of a circle are numerically equal then the radius of the circle is ?​

Answer 1

Step-by-step explanation:

Given that the perimeter and area of the circle are numerically equal.

Let's assume a circle of radius 'r'.

Circumference of the circle = 2πr

Area of circle = A = π r²

The circumference of the circle and the area of the circle are equal.

Thus, we have 2πr = πr2

2 = r

Therefore, the radius of the circle is 2 units. Hence, the correct answer is A.

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Answer 2

It is given that the perimeter and area of a circle are equal

We have to find the radius of the circle

Perimeter of circle = 2πr

Area of circle = πr²

According to the question,

Perimeter of circle = Area of circle

                         2πr =  πr²

                             2 = r

Hence, the radius of the circle will be 2 units.