In a circle with centre O, ABCD is a cyclic quadrilateral with AB as a diameter of the circle. AD and BC produced to meet at E such that AE = BE. If ∠CED = 70°, then what is the measure of ∠COD?

In a circle with centre O, ABCD is a cyclic quadrilateral with AB as a

1.	In a circle with centre O, ABCD is a cyclic quadrilateral with AB as a diameter of the circle. AD and BC produced to meet at E such that AE = BE. If ∠CED = 70°, then what is the measure of ∠COD?
A.	45°
B.	60°
C.	30°
D.	40°
Answer» E.

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In a circle with centre O, ABCD is a cyclic quadrilateral with AB as a diameter of the circle. AD and BC produced to meet at E such that AE = BE. If ∠CED = 70°, then what is the measure of ∠COD?

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