Circle Theorems

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Diagram for Question 3: A circle with center O. Two tangents AB and AC are drawn from an external point A to the circle, touching it at points B and C respectively. The angle BAC is labeled as 40 degrees.

$B\,$ and $C\,$ are points on a circle, centre $O$ . $AB\,$ and $AC\,$ are tangents to the circle.

Angle $40^\circ$

Work out the size of angle $B O C$ . 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.