Question

a cylindrical can whose base is horizontal and of radius 3.5cm contains sufficient water so that if a sphere is placed in the can, the water just covers the sphere. given that the can just fits into the can, calculate:i.) the surface area of can in contact with water when the sphere is in it,ii.) the depth of water in the can before the sphere was put into the can.give your answers as proper fractions and take $\pi$=22/7

Answer 1

the answer is as in the photo....