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 $30^{0}$.while C finds that the angle ACB $60^{0}$. If B and C are 100 metres apart, the breadth of the canal is1). $\frac{25}{\sqrt{3}}$ metres2). $20\sqrt{3}$ metres3). $25\sqrt{3}$ metres4). $\frac{20}{\sqrt{3}}$ metres

Answer»

$20\sqrt{3}$ METRES is the BEST SUITED



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