Edexcel Gcse Mathematics (Linear) - Circle Theorems Page 6
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128.
A, B, C and D are points on a circle, centre O.
BC = CD.
Angle BCD = 130°.
(a) Write down the size of angle BAD.
Give a reason for your answer.
...................................°
(2)
(b) Work out the size of angle ODC.
Give reasons for your answer.
...................................°
(4)
(6 marks)
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