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Angle basics

Angle basics

Four labelled angles P, Q, R and S showing right, reflex, obtuse and acute examples with degree measures and a marked vertex

An angle measures the amount of turn between two straight lines that meet. The meeting point is called the vertex, and angles are measured in degrees, written ∘^\circ∘.

Angles Lesson

  1. GCSE
  2. /Maths
  3. /Angles

Step-by-step lessons on AQA GCSE Maths Angles. 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.