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Obtuse Angle — OCR Mathematics Definition | GradeGen.AI

Courses
Mathematics
Key Terms
Obtuse Angle

GCSEOCRJ560

Obtuse Angle

Key term for OCR GCSE Mathematics, used in Geometric Conventions.

Definition

An angle that is strictly greater than 90° but less than 180°.

Exam Context

Obtuse Angle appears in OCR GCSE Mathematics revision content for Basic Geometry, especially Geometric Conventions and Angle Terminology.

Basic Geometry Geometric Conventions Angle Terminology

Study Pathways

Basic Geometry

Geometric Conventions

Angle Terminology

Mensuration

Trigonometry

Sine Rule

Found in Revision Notes

Basic Geometry

Angle Terminology

Geometric Conventions • Angle Terminology

Mensuration

Sine Rule

Trigonometry • Sine Rule

Related Key Terms

Acute Angle Ambiguous case Degrees Interior angle

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Inverse sine function

Non-right-angled triangles