If \[\angle ABC+68{}^\circ =156{}^\circ ,\]then \[\angle ABC\] is

1.	If \[\angle ABC+68{}^\circ =156{}^\circ ,\]then \[\angle ABC\] is
A.	An acute Angle
B.	An obtuse Angle
C.	A reflex Angle
D.	None of these
Answer» B. An obtuse Angle

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