Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 3 - No. 25)

In a 3D context, what is the method to find the lengths and angles of three-dimensional objects?

Using Pythagoras' Theorem

Using trigonometry

Identifying right-angled triangles

All of the above

Lengths and angles can be found by using Pythagoras' Theorem, identifying right-angled triangles, and using trigonometry.