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Geometric Reasoning and Construction · Spring Term

Area of a Circle

Students will derive and apply the formula for the area of a circle and sectors.

Key Questions

  1. How does the area of a circle change if its radius is doubled?
  2. Justify the formula for the area of a circle using a visual decomposition.
  3. Construct the area of a sector given its angle and radius.

National Curriculum Attainment Targets

KS3: Mathematics - Geometry and Measures
Year: Year 8
Subject: Mathematics
Unit: Geometric Reasoning and Construction
Period: Spring Term

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