The formula for the volume and surface area of a sphere will be given to you in the exam, so you will not need to memorise these. \(\text{The volume of a sphere} ~=~ \frac {4}{3} \times \pi \times ...

times \pi d\) It's important to learn the formulae above, as they will not appear on the formula sheet provided with your M4 exam paper. The formulae used to calculate the volume and surface area ...