(a(i))[2]
Calculate the angle of elevation of $X$ from $Q$.
(a(ii))[3]
Calculate $PQ$.
(b)[3]
Calculate the acute angle $KML$.
(c(i))[2]
Show that angle $BAC = 28.4^{\circ}$, correct to 1 decimal place.
(c(ii))[3]
Calculate $BC$.
(c(iii))[3]
Calculate $BD$.