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  • 26-04-2024
  • Mathematics
Answered

4. March 2015 In the diagram, the circle with centre O passes through A, B, C and D. AB || DC and BOC = 110°. The chords AC and BO intersect at E. EO, BO, CO and BC are joined. Calculate the size of the following angles, giving reasons for your answers: a) D b) Â c) Ez d) Prove that BEOC is a cyclic quadrilateral. 5. ​



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