Angles on a straight line

Key term for Edexcel GCSE Mathematics, used in Properties and Constructions.

Definition

A set of adjacent angles that form a straight angle; they must sum exactly to 180 degrees.

Exam Context

Angles on a straight line appears in Edexcel GCSE Mathematics revision content for Geometry and Measures, especially Properties and Constructions and Angles.

Geometry and Measures Properties and Constructions Angles

Found in Revision Notes

Geometry and Measures

Angle Sums and Properties of Polygons

Properties and Constructions • Angles

Revise note

Related Key Terms

Alternate angles Auxiliary line method Equilateral Exterior angle

Revise Mathematics with GradeGen.AI

Create a free account to access Edexcel GCSE Mathematics revision notes, track progress, and practise related key terms.