Q1 B Solve.
(1) The radius of a sphere is R. Find the ratio of its surface ared to
the area of a circle of the same radius.
Answers
Answered by
4
... ......4πr2/πr2 = 4 answer
Answered by
6
Answer:
Surface area of sphere =4*pi*r^2
Area of circle= 2*pi*r
Ratio= 4*pi*r^2÷2*pi*r
= 2*r
r=R
Therefore Ratio= 2*R
Similar questions