AQA GCSE Mathematics · 8300
Specification G10 · Paper 1, Paper 2, Paper 3
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GCSE Mathematics · key term
The rule that the angle between a tangent and a chord equals the angle subtended by that chord in the opposite segment of the circle.
Used by AQA and OCR
Specification G10 · Paper 1, Paper 2, Paper 3
Specification 8.05g · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Foundation), Paper 4 (Higher), Paper 5 (Higher), Paper 6 (Higher)
The circle theorem stating that the angle between a tangent and a chord through the point of contact equals the angle subtended by that chord in the opposite segment.
When giving reasons, write “alternate segment theorem”, not simply “circle theorem”.
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