Question

A right circular of volume 1386 cm³ is cut from a right circular cylinder of radius 4 cm and height 49 cm, such that a hollow cylinder of uniform thickness, with a height of 49 cm and an outer raidus of 4 cm is left behind. Find the thickness of the hollow cylinder left behind.​

Answer 1

Answer:

actually it's a tricky question...u can calculate the inner thickness from 1386 cc...