(a(i))[2]
Calculate the length of $AC$.
(a(ii))[2]
Calculate the value of $CE$.
(a(iii))[4]
Calculate the value of $\angle F\hat AE$.
(b(i))[3]
A triangle has side lengths of $10\text{ cm}$, $9\text{ cm}$ and $6\text{ cm}$, together with an angle of $\theta^\circ$, as shown in the diagram. Calculate $\theta$.
(b(ii))[1]
In triangle $KGH$, the side lengths are $a\text{ cm}$, $b\text{ cm}$ and $c\text{ cm}$. You are told that $\angle KGH$ is obtuse. Complete the statement below by choosing one of the symbols $<$, $\le$, $=$, $\ge$, $>$. $c^2 \; ..... \; (a^2 + b^2)$.