Question

if the surface area of a sphere is 616 sq.cm,then its radius is ?​

Answer 1

Answer:

7cm

Step-by-step explanation:

Surface Area of Sphere= 4π$r^{2}$

616= 4π$r^{2}$

$r^{2}$= 616x7/4x22

$r^{2}$= 49

r=$\sqrt{49}$

r= 7 cm