View HintsDo we know the formula of surface area of cube ? Try to picturize all the shapes given here. Let us draw a test tube and look which solid shape it looks like. What is the CSA of sphere? What is the CSA of sphere? Recall the formula to calculate volume of cylinder and cone and add them together. Try to solve for radius half its height. Combine surface area of cylinder & cone. Try to picturize all the shapes given here. Think of any real life example of solid shape sphere |
