Mathematics, 09.11.2020 16:50, anthonybowie99

A, B, and C are points on the circumference of a circle, centre 0. AOB is a diameter of the circle. Prove that angle ACB is 90° You must not use any circle theorems in your proof.

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A, B, and C are points on the circumference of a circle, centre 0. AOB is a diameter of the circle....