Mathematics 0580 · IGCSE · Right-angled triangles

Right-angled triangles — practice question

A right-angled triangle is displayed. Its base measures 22 cm. The angle at the lower-right corner is $36^\circ$. The hypotenuse has been labelled $x$ cm. The diagram is labelled NOT TO SCALE.
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Show that $x$ has the value 27.2, correct to 3 significant figures.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$x=\frac{22}{\cos 36}$” …

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