Mathematics 0580 · IGCSE · Angles

Angles — practice question

A diagram of intersecting lines with angles labelled $67^\circ$, $42^\circ$ and $a^\circ$; the diagram is marked "NOT TO SCALE".
(main)[2]

Determine the value of $a$.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Method: setting up a correct equation that totals 180” …

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