(a(i))[2]
Find angle $x$, and justify your answer.
(a(ii))[2]
Find angle $y$, and give reasons for your answer.
(a(iii))[3]
Find angle $z$, and give reasons for your answer.
(b(i))[3]
Explain why triangle PQR is similar to triangle PUT. Provide a reason for each statement you make.
(b(ii)(a))[1]
Find the ratio of $PU$ to $PQ$.
(b(ii)(b))[3]
Find the area enclosed by quadrilateral QRTU.