Mathematics 0580 · IGCSE · Angles

Angles — practice question

A triangle has angles of $5x^\circ$, $6x^\circ$ and $7x^\circ$.
(a)[2]

Find the value for $x$.

(b)[1]

Work out the angle measure of the triangle's largest angle.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Working: $5x + 6x + 7x = 180$ or $x = \frac{180}{18}$” …

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