If the bearing of two lines AB and AC are N 40°10' E and N 89° 45'E respectively.Its Included angle is :

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If the bearing of two lines AB and AC are N 40°10' E and N 89° 45'E respectively.Its Included angle is :

A130° 10'

B189° 45'

C0°15'

D49° 35'

Answer:

D. 49° 35'

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