If ABCD be a cyclic quadrilateral in which ∠A = 4x°, ∠B = 7x°, ∠C = 5y° and ∠D = y°, then x ∶ y is-

If ABCD be a cyclic quadrilateral in which ∠A = 4x°, ∠B = 7x°,

1.	If ABCD be a cyclic quadrilateral in which ∠A = 4x°, ∠B = 7x°, ∠C = 5y° and ∠D = y°, then x ∶ y is-
A.	3 ∶ 4
B.	4 ∶ 3
C.	5 ∶ 4
D.	4 ∶ 5
Answer» C. 5 ∶ 4

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If ABCD be a cyclic quadrilateral in which ∠A = 4x°, ∠B = 7x°, ∠C = 5y° and ∠D = y°, then x ∶ y is-

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