1.

Two pillars are 120 ft a part and the height of one in double that of the other. From the middle point of the line joining their feet an observer finds that the angular elevations of their tops are complementary. The height of the longer tower is ……….. feet.

Answer»

`35sqrt(2)`
`60sqrt(2)`
`50sqrt(2)`
`40sqrt(2)`

ANSWER :B


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