If ABCD is a cyclic quadrilateral in which ∠ABC = 47° and ∠BCD = 97° then ∠ADC - ∠BAD =

If ABCD is a cyclic quadrilateral in which ∠ABC = 47° and ∠BCD

1.	If ABCD is a cyclic quadrilateral in which ∠ABC = 47° and ∠BCD = 97° then ∠ADC - ∠BAD =
A.	40°
B.	50°
C.	60°
D.	70°
Answer» C. 60°

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If ABCD is a cyclic quadrilateral in which ∠ABC = 47° and ∠BCD = 97° then ∠ADC - ∠BAD =

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