The sum of angles of elevation of the to...

The sum of angles of elevation of the top of a tower from two points distance a and b from the base and in the same straight line with it is `90^@`. Then the height of the tower is :

`a^2 b`

`ab^2`

`sqrtab`

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DIPTI PUBLICATION ( AP EAMET)-PROPERTIES OF TRIANGLES -EXERCISE 1C

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