A sphere is a perfectly round solid figure. All points on the surface of the shape are the same distance away from the centre – we call this distance the radius. The formula for the volume and ...

Surface Area and Volume Solved Examples Que 1: Find the lateral surface area of a cylinder with a base radius of 10 cm and height 20 cm. Solution: Given radius r = 10, height h = 20 LSA = 2 π rh ...

A hemisphere is half of a sphere. The volume can be found by calculating the volume of the whole sphere and dividing by 2 or by halving the formula: Volume of hemisphere = 2 3 π r 3 The surface ...

A circle and a sphere are two geometric shapes that are entirely different. This article will look at the differences between a circle and a sphere and their individual formulas.