1.

If the circumference of a circle and it's area are equal in magnitude then radius of circle is

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Hi there!

Your ANSWER :-

Formula For Circumference = 2πr

Formula For Area = πr²

If, these are equal then,

\sf\red{2\pi <klux>R</klux> \: = \pi {r}^{2} }

π will get Canceled.

\sf\blue{2r = {r}^{2} }

We can WRITE it as :-

\sf\green{r \times r = 2 \times r}

R will also get Canceled.

\sf\pink{r = 2}

So, we get RADIUS as 2.


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