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