A cricket ball of radius r is exactly fit in a cylindrical tin (with the top open) as shown in the figure below. Which of the following is statement true
2:3
3:1
The height of cylinder will be equal to the diameter of the ball.
Therefore, h=2r
Ratio of their areas=4 π r22 π r(r+h)=2rr+h=2rr+2r=23