(a(i))[1]
Determine the value of $t$.
(a(ii))[3]
Determine $w$, and justify your answer.
(a(iii))[3]
Determine the value of $p$, giving a reason for your answer.
(b(i))[1]
Fill in the statement. $PM : PQ = \ldots : \ldots$
(b(ii))[4]
Fill in the statements that establish triangle $OMQ$ is congruent to triangle $ONQ$.