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Mathematics
Basic Geometry
Angles
Polygon Angles
Polygon Angles
OCR GCSE Mathematics (J560) — Basic Geometry
What You Need to Know
Derive and apply the sum of interior angles of a triangle (180°) and exterior angles of a polygon (360°).
Calculate the sum of interior angles for polygons and individual interior angles for regular polygons.
Apply angle properties to find missing angles and justify geometric results.
Revision Notes
1
Polygon Angles
14 key terms
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Parallel Line Angles
Next Topic: Polygon Properties
Triangle Properties
