(a(i))[2]
Draw and label point D accurately.
(a(ii))[1]
Measure the angle $D\hat{A}B$.
(a(iii)(a))[1]
Find the minimum distance from B to AC.
(a(iii)(b))[2]
Work out the area for triangle ABC.
(b(i))[1]
Give a reason why P, Q, R and S cannot all lie on the circumference of a circle.
(b(ii)(a))[4]
Construct and shade the region in which T lies.
(b(ii)(b))[1]
Find the maximum possible value of $RT$.