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3d Pythagoras and Trigonometry
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From 3D to a right triangle

From 3D to a right triangle

Most 3D questions are really about a hidden 2D right-angled triangle inside a cuboid, prism or pyramid. First decide which flat triangle you can draw and label.

3d Pythagoras and Trigonometry Lesson

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

Step-by-step lessons on CCEA GCSE Maths 3d Pythagoras and Trigonometry. Each one builds up to exam-style questions. Build fluency with number, ratio and algebra first, since geometry, probability and statistics topics rely on them, and leave extra time nearer the exam for Higher-tier problem-solving and multi-step reasoning questions.