Question

find the radius of a circle so that its area and circmference have the same value

Answer 1

$\pi {r}^{2} = 2\pi \: r \\ {r}^{2} = \frac{2\pi \: r}{\pi} \\ r = \sqrt{2r}$

Answer 2

Hope this image helps u.........plzzz mark it as the brainliest.........