Mathematics 0580 · IGCSE · Surface area and volume

Surface area and volume — practice question

The prism is a right-angled triangular prism with height 6 cm, width $w$ cm and length 18 cm. Its volume is $810\text{ cm}^3$. A labelled diagram of the prism is shown and it is marked NOT TO SCALE.
(main)[3]

Calculate the value of $w$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$3\times 5$” …

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