Key term for OCR GCSE Mathematics, used in Polygon Properties.
Angles on opposite sides of a transversal between parallel lines, forming a 'Z-shape'; they are always equal.
Alternate angles appears in OCR GCSE Mathematics revision content for Basic Geometry, especially Polygon Properties and Quadrilateral Properties.
Basic Geometry
Polygon Properties • Quadrilateral Properties
Basic Geometry
Angles • Polygon Angles
Basic Geometry
Angles • Parallel Line Angles
Basic Geometry
Angles • Angles at a Point
Mensuration
Measurement Units • Scale and Bearings
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