3D Pythagoras - Grade 7
Full lesson on 3D pythagoras, starting with a reminder of the basics with a bonus section of right angled trigonometry
Struggling with 3D Pythagoras? This lesson takes you from the ground up, no assumed knowledge, right through to the trickiest exam-style questions that trip students up on the day.
We'll start with a bonus intro covering the basic trig you need as a foundation, plus exactly how to use your formula sheet with confidence (so you're never caught out wondering which formula applies).
From there, we build up step by step:
Refreshing 2D Pythagoras and why it's the building block for everything in 3D
Visualising 3D shapes and spotting the right-angled triangles hidden inside them
Working through cuboids, pyramids, and more complex solids