A tower is situated on horizontal plane. From two points, the line joining three points passes through the base and which are \[a\]and \[b\]distance from the base. The angle of elevation of the top are \[\alpha \]and \[90{}^\circ -\alpha \]and \[\theta \]is that angle which two points joining the line makes at the top, the height of tower will be [UPSEAT 1999]

A tower is situated on horizontal plane. From two points, the line joi

1.	A tower is situated on horizontal plane. From two points, the line joining three points passes through the base and which are \[a\]and \[b\]distance from the base. The angle of elevation of the top are \[\alpha \]and \[90{}^\circ -\alpha \]and \[\theta \]is that angle which two points joining the line makes at the top, the height of tower will be [UPSEAT 1999]
A.	\[\frac{a+b}{a-b}\]
B.	\[\frac{a-b}{a+b}\]
C.	\[\sqrt{ab}\]
D.	\[{{(ab)}^{1/3}}\]
Answer» D. \[{{(ab)}^{1/3}}\]

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