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

Pythagoras' theorem and trigonometry in 3D — practice question

(a)[4]

Calculate $x$.

(b)[4]

Calculate the lower bound for the angle between $KR$ and the base $JKLM$ of the cuboid.

Worked solution & mark scheme

This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: “By applying Pythagoras” …

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