(a)[1]
Write down how many sides a hexagon has.
(b(i))[1]
Write down the mathematical term for this triangle.
(b(ii))[1]
Find angle $CAB$.
(b(iii))[1]
Write down the mathematical name of angle $CAB$.
(c)[2]
Show that the interior angle of a regular pentagon is $108^\circ$.
(d)[2]
Find angle $DCB$.
(e)[3]
The triangle’s angles are in the ratio $3:5:7$. Find the size of the largest angle in this triangle.