Mathematics, 12.05.2021 21:50, fatherbamboo

A and B are points on a circle, centre O. BC is a tangent to the circle.
AOC is a straight line.
Angle ABO = x°.
Find the size of angle ACB, in terms of x. Give your answer in its simplest form.
Give reasons for each stage of your working.
(Please help me)

A and B are points on a circle, centre O.

BC is a tangent to the circle.
AOC is a straight line.

Answers: 1

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A and B are points on a circle, centre O. BC is a tangent to the circle.
AOC is a straight li...