Question

The surface area of a sphere of radius 7cm is :​

Answer 1

Answer:

616 CM^2

Step-by-step explanation:

s=4πr ^2

r=7 cm

S=4× 7/22×49=616 cm^ 2

Mark BRAINLIST

Answer 2

Answer:

Step-by-step explanation:

as the area of circle is $\pi r^{2}$

then the given radius is 7cm

then area is given by

=$\frac{22}{7}$ x 7 x 7

= 22 x 7

= 154 $cm^{2}$