Question

if a circle's area and circumference are same then find its radius

Answer 1

Given.
Area of a Circle= its Circumference

→πr²=2πr
→r²=2r
→r²/r =2
→r=2 units.


Hence the Radius is 2 units
Hope it helps..
Regards,
Leukonov

Answer 2

Circle area=circle circumference
$\pi r {}^{2} \: = 2\pi\:r$
$\frac{\pi \: r {}^{2} }{\pi \: r} = 2\\ r = 2$