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Two soldiers A and B in two different un...

Two soldiers A and B in two different underground bunkers on a straight road, spot an intruder at the top of a hill. The angle of elevation of the intruder from A and B to the ground level in the eastern direction are `30^(@) and 45^(@)` respectively. If A and B stand 5 km apart, find the distance of the intruder from B.

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The correct Answer is:
`(5sqrt(2))/(sqrt(3) - 1)`Km
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SURA PUBLICATION-TRIGONOMETRY-EXERCISE 3.10
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