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

Pythagoras' theorem and trigonometry in 3D — practice question

A cuboid $ABCDEFGH$ is displayed, and it is NOT TO SCALE. $AB = 18\text{ cm}$, $BC = 7\text{ cm}$ and $CG = 12\text{ cm}$.

(main)[4]

Calculate the angle that diagonal $AG$ forms with the base $ABCD$.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “About $31.9$, or $31.85\ldots$” …