1.

The two banks of a canal are straight and parallel. A, B, C are three persons of whom A stands on one bank and B and C on the opposite banks. B finds the angle ABC is 30 , while C finds that the angle ACB 60 . If B and C are 100 metres apart, the breadth of the canal is

A. 20
B. metres
C. 25
D. metres
Answer» D. metres


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