Key term for AQA GCSE Mathematics, used in Mensuration and calculation.
Triangles that do not contain a 90-degree angle, requiring advanced trigonometric rules to calculate unknown sides and angles.
Non-right-angled triangles appears in AQA GCSE Mathematics revision content for Geometry and measures, especially Mensuration and calculation and Sine and Cosine Rules.
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Geometry and measures
Mensuration and calculation • Triangle Area
