x

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 covering Eduqas GCSE Maths 3d Pythagoras and Trigonometry for Foundation and Higher tier. Each lesson works through exam-style questions in Component 1 and Component 2 format. 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.

Lessons

SurdsBoundsDirect and Inverse ProportionQuadratic FormulaFactorising Harder QuadraticsAlgebraic FractionsRearranging Harder FormulaeInverse and Composite FunctionsIterationFinding the Area of Any TriangleThe Sine RuleThe Cosine RuleCongruent Triangles3d Pythagoras and TrigonometryHistogramsConditional Probability