Question

the area of circle is 314 centimetre square find its radius

Answer 1

area of circle is
$\pi {r}^{2}$
so 314=3.14r²
100=r²
r=10. Answer

Answer 2

πr^2 = 314

3.14 r^2 = 314

r^2/ 100 = 1

r = √100

r = 10 cm