Question

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

Answer 1

Answer:

2 π r = c

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Answer 2

$\Huge{\boxed{\underline{\mathfrak{ Answer }}}}}$

If r is 2 units then the area and perimeter of the circle would be numerically equal.

$\large \fbox{ \: \tt \blue{ Solution :-} \: \sf \underline}$

Perimeter of circle  = 2πr

Area of circle  = πr²

According to the Question,

Perimeter of circle = Area of circle

2πr = πr²

$\mathtt {\frac{2\pi r}{\pi r} = r}$

or, 2 = r

or, r = 2

Hence the radius is 2.