Question

The surface area of a sphere of gadies 3.5cm is... I want step by step explanation​

Answer 1

Answer:

Step-by-step explanation:

∴R=6

Answer 2

Answer:

$154cm^2$  

Step-by-step explanation:

Given the radius of the sphere is 3.5cm

Then surface area of sphere =4$\pi r^{2}$  =4×22/7 ×$(3.5)^{2}$   =154$cm^{2}$  Ans

Hope this answer will be helpful