Question

if the perimeter and area of circle are equal.then the find radius​

Answer 1

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

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