The bearings of the lines AB and BC are 146° 30' and 68° 30'. The included angle ABC is

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Question:
 
The bearings of the lines AB and BC are 146° 30' and 68° 30'. The included angle ABC is

1.102°

2.78°

3.45°

4.none of these.

Posted Date:-2021-03-26 07:51:12

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