find thd radius whose s.a. is 154c.m
I will assume you want the radius of a circle that has an area of 154 cm^2.
Why not state it properly?
area = πr^2
πr^2 = 154
r^2 = 154/π
r = √(154/π) = appr 7.00 cm
Why not state it properly?
area = πr^2
πr^2 = 154
r^2 = 154/π
r = √(154/π) = appr 7.00 cm