Question

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

Answer 1

Answer:

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Answer 2

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Explanation:

As we know that,

Perimeter of circle =2πr

Area of circle =πr²

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

Therefore,

» πr² =2πr

» r² −2r = 0

» r(r−2)

⇒r = 0 or r = 2

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