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1. |
The angles of elevation of the top of from two points P and Q at distance $${{m^2}}$$ and $${{n^2}}$$ respectively, from the base and in the same straight line with it are complementary. The height of the tower is- |
A. | ${\left( {mn} \right)^{\frac{1}{2}}}$$ |
B. | $m{n^{\frac{1}{2}}}$$ |
C. | ${m^{\frac{1}{2}}}n$$ |
D. | $mn$$ |
Answer» E. | |