Circle Theorems

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A geometric diagram showing a circle with center O. Points A and C are on the circumference. BC is a tangent line to the circle at point C. Line segment AC is a chord. Line segment AB is a secant line passing through the center O. The angle CAB is labeled as 29 degrees.

$A\,$ and $C\,$ are points on the circumference of a circle, centre $O$ . $BC\,$ is a tangent to the circle.

Angle $29^\circ$

Find the size of angle $A B C$ . You must show all your working.

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Circle Theorems Questions

Practise OCR GCSE Maths Circle Theorems with exam-style questions for Foundation and Higher tier. 72 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.