(a)[2]
A cuboid measures $5\,\text{cm}$ by $12\,\text{cm}$ by $h\,\text{cm}$. Its volume is $480\,\text{cm}^3$. Calculate $h$.
(b(i))[3]
Calculate the angle $BAE$.
(b(ii))[5]
Pentagon $ABCDE$ has an area of $200\,\text{cm}^2$. Calculate the length of $BC$.