Question

Doubt are as follow:
1-prove that total surface area of sphere
2-prove that formula of volume of cone
3-prove that formula of volume of sphere
4-A bowler through a ball to the batsman at the speed of 143km/h,the boundary was 63m away from batsman by how much force needed to hit the ball to the boundary
5-There was a circle whose radius is 5cm and another circle whose radius is 3cm draw in the circle touching the circle at some point from inside the circle a common chord intersect the both circle find the length of the chord​

Answer 1

Step-by-step explanation:

If a bowler is bowling from the speed of 143 km/hr and the boundary is 63 meter far how much force should be a… Get the ...