Question

13.If the perimeter and the area of a circle are numerically equal, then find the radius of

the circle.​

Answer 1

Answer:

As we know that,

Perimeter of circle =2πr

Area of circle =πr

2

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

Therefore,

πr

2

=2πr

r

2

−2r=0

r(r−2)

⇒r=0 or r=2

Step-by-step explanation:

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Answer 2

HEY THERE!!

The answer is 2..

Perimeter of the circle= 2πr

Area of the circle = πr²

perimeter of circle = area of circle

2πr=πr²

oR

2πr / πr= r

= 2

hence the radius is 2