Skip to content

Course home

x
3d Pythagoras and Trigonometry
x

Make a 2D triangle first

Make a 2D triangle first

Cuboid with base diagonal AC and space diagonal AG labelled, dimensions 9 cm, 5 cm and 6 cm

In 3D questions, the formulas are the same as in 2D right-angled triangles. The main skill is spotting which flat triangle you need inside the solid.

3d Pythagoras and Trigonometry Lesson

  1. IGCSE
  2. /Maths
  3. /3d Pythagoras and Trigonometry

Step-by-step lessons on Edexcel IGCSE Maths 3d Pythagoras and Trigonometry. Each one builds up to exam-style questions. Build confidence with the shared Foundation-tier content first, since roughly 40% of Higher-tier marks are targeted at the grades 4–5 boundary that both tiers have in common.

Lessons