Question

area of circle is 154 then its radius is

Answer 1

radius of circle is 7.

Answer 2

area of circle=$\pi r^{2}$
area of circle=154
ie $\pi r^{2} =154$
[tex] r^{2} =154/22/7 [/tex]
$r^{2} =154*7/22$
$r^{2}=49$
$r= \sqrt{49}$
r=7
hence radius = 7