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Back to Edexcel Maths Higher June 2018 Paper 1 Home
​Q11: Question – Paper 1 – June 2018
​Helpful Links
Content:
  • Isosceles Triangles in Circles 
  • Tangents Circles– Part 1
  • Tangents Circles – Part 2​
Quizzes:
  • Isosceles Triangles in Circles
  • ​Tangents Circles

Question
11)
Picture
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.
[5 marks]
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