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Question 1
2 marksB B\,B is a point on the circumference of a circle, centre OOO. AB AB\,AB is a tangent to the circle.
Angle BOA=72∘BOA = 72^\circBOA=72∘
A [ ] is a straight line joining two points on the circumference.
Revision notes for AQA GCSE Maths Circle Theorems. Open the guide for explanations and worked examples. Written against the AQA GCSE Maths (8300) specification, so the content matches what's examinable rather than general Maths background.
1 of 5
Points AAA, BBB and CCC lie on a circle. A tangent touches the circle at CCC. Given that angle ABC=64∘ABC=64^\circABC=64∘ and angle ACB=73∘ACB=73^\circACB=73∘, find the angle between the tangent and chord CBCBCB.
