Mathematics 0580 · IGCSE · Pythagoras' theorem and trigonometry in 3D

Pythagoras' theorem and trigonometry in 3D — practice question

The diagram depicts a cuboid. $HD=3$ cm, $EH=5$ cm and $EF=7$ cm. It is labelled NOT TO SCALE.
(a)[4]

Calculate the length $CE$.

(b)[3]

Calculate the angle formed between $CE$ and the base $CDHG$.

Worked solution & mark scheme

This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Accurate 3D Pythagoras expression” …

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