Question

The radius of the base of a right circular cylinder is increased by 20%. By what per cent should its height be reduced so that its volumeremains the same as before?​

Answer 1

Answer:

Step-by-step explanation:

volume = π x r2 x h

times your radius by 0.2 and add that to the original number. then calculate the difference between the radius and the height then decrease the height by that much.