(a)[2]
Calculate the volume of a cylinder whose radius is 7.8 cm and whose height is 15 cm.
(b)[3]
Calculate the total surface area of this cube.
(c)[2]
Which of the two areas is greater? Show every step of your working.
(d)[2]
Calculate the size of angle $ACB$.
(e)[4]
Calculate the area enclosed by rectangle $DEFG$.