Question

aif the radius of the circular base of a right circular cone is tripled ,find the ratio of the volume of the first one to that of the second,the height remaining same​

Answer 1

Answer:

1:9

Step-by-step explanation:

Volume of π * r square * h /3

First cone volume = π * r square * h /3

Second cone volume = π * (3r) square * h /3

= π * 9 * r square * h /3

Therefore the ratio = 1:9