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Q20: Answers – Paper 3 – November 2017
Q20: Answers – Paper 3 – November 2017
Mark Scheme
Working
A, B and C are points on the circumference of a circle, centre O.
AOB is a diameter of the circle.
Prove that angle ACB is 90°
You must not use any circle theorems in your proof
AOB is a diameter of the circle.
Prove that angle ACB is 90°
You must not use any circle theorems in your proof
Question
A, B and C are points on the circumference of a circle, centre O.
AOB is a diameter of the circle.
Prove that angle ACB is 90°
You must not use any circle theorems in your proof
AOB is a diameter of the circle.
Prove that angle ACB is 90°
You must not use any circle theorems in your proof
[4 marks]