Mathematics 0580 · IGCSE · Non-right-angled triangles

Non-right-angled triangles — practice question

(a)[2]

Calculate the triangle’s area.

(b)[6]

Find the value of $x$, and give your answer correct to 2 decimal places. You must show all your working.

Worked solution & mark scheme

This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$\dfrac{1}{2}\times12\times9$” …

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