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Area and Circumference of Circles
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Parts of a circle

Parts of a circle

Labelled circle showing centre, radius, diameter, circumference, tangent, and a sector

A circle is a shape where every point on the edge is the same distance from the centre. Before using formulas, make sure you can identify the centre, radius, diameter, circumference, tangent, and sector.

Area and Circumference of Circles Lesson

  1. IGCSE
  2. /Maths
  3. /Area and Circumference of Circles

Step-by-step lessons on Edexcel IGCSE Maths Area and Circumference of Circles. 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