I is the incentre of ΔABC. If ∠ABC = 60°, ∠BCA = 80°, then the – McqOptions

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1.	I is the incentre of ΔABC. If ∠ABC = 60°, ∠BCA = 80°, then the ∠BIC is
A.	0°
B.	00°
C.	10°
D.	20°
Answer» D. 20°

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