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

Pythagoras' theorem and trigonometry in 3D — practice question

The diagram represents a prism with length 15 cm. Its cross-section is a trapezium. Angle DAB = 90^{\circ} and angle ADC = 90^{\circ}. AB = 10 cm, AD = 5 cm and DC = 7 cm.
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Calculate the angle that diagonal AG forms with base ABFE.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “16.8, or any value from 16.80 to 16.81” …

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