Mathematics 0580 · IGCSE · Right-angled triangles

Right-angled triangles — practice question

A right-angled triangle is drawn, and it is not to scale. The side marked 5 cm, the base marked 2 cm, and the acute angle at the base is $x^{\circ}$.
(main)[2]

Calculate 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: A correct cosine-based method, for example $\cos^{-1}(\dots)$

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