The bearing of AB is 190° and that of CB is 260° 30'. The included a – McqOptions

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1.	The bearing of AB is 190° and that of CB is 260° 30'. The included angle ABC, is
A.	80° 30'
B.	99° 30'
C.	70° 30'
D.	none of these
Answer» D. none of these

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