In the diagram CDE is a triangle ABEF is cyclic... - WAEC Mathematics 1999 Question
In the diagram, CDE is a triangle, ABEF is cyclic quadrilateral, AB||CD, ∠BAF = 65o and ∠AFE = 85o calculate ∠CDE
A
20o
B
30o
C
50o
D
65o
correct option: b
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