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​Q19: Question – Paper 5 – November 2018

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Content:

• Part A: Isosceles Triangles in Circles

• Part B: Circle Theorem 1
• Part B: Circle Theorem 2 – Part 1
• Part B: Circle Theorem 2 – Part 2​

Quizzes:

• Part A: Isosceles Triangles in Circles
  
• Part B: Circle Theorem 1
• Part B: Circle Theorem 2

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Question

19) The diagram shows a circle, centre O.

​Points A, B, C and D lie on the circumference of the circle.
EDF is a tangent to the circle.
​Angle ABC = 82° and angle ODC = 57°.

a) Work out the value of x.

[2 marks]

b) Work out the value of y.

[3 marks]

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