JHS Core Mathematics

Geometry

Angles & Triangles

Lesson summary

In this lesson on angles & triangles, we break down the core idea, walk through worked examples, and prepare you for WAEC-style questions.

Key points

  • Definition and notation used in Angles & Triangles
  • Two worked examples with step-by-step solutions
  • Common WAEC trick — watch for unit conversions
  • Mini-check: 1 question to confirm understanding