Mathematics 0580 · IGCSE · Angles

Angles — practice question

The diagram depicts an isosceles triangle. NOT TO SCALE. The triangle has two sides marked equal. The top angle is labelled $x^\circ$. The angle at the bottom right is labelled $43^\circ$.
(main)[2]

Determine the value of $x$.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Sets up the correct equation $x + 2 \times 43 = 180$” …

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