16 (a) Show that the interior angle of a regular hexagon is 120∘.See it on the paper →
0607/31 · October/November 2025 · Q8b[1]
(b) The perimeter of an equilateral triangle is 18.3 cm.
Work out the length of one side of the triangle.
................................................ cm [1]See it on the paper →
0607/21 · October/November 2023 · Q8[3]
[Diagram: A rectangle with a diagonal. The top side is labelled 8 cm. The diagonal is labelled 10 cm. A right-angle symbol is shown at the bottom-left corner. The text "NOT TO SCALE" is to the right of the rectangle.]
The length of the diagonal of the rectangle is 10 cm.
The length of the rectangle is 8 cm.
Work out t...See it on the paper →
What examiners said
Many candidates failed to recognise the need to use Pythagoras’ theorem. Of those who did, it was still common to find them simply squaring and adding, whereas they needed to subtract their squares before square rooting because they were calculating the length of one of the shorter sides.