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A tower of height b substends an angle a...

A tower of height b substends an angle at a point O on the leavel of the foot of the tower and at a distance a from the foot of the tower. If a pole mounted on the lower also subtends an equal angle at O, the height of the pole is

A

`b((a^2-b^2)/(a^2+b^2))`

B

`b((a^2+b^2)/(a^2-b^2))`

C

`a((a^2-b^2)/(a^2+b^2))`

D

`a((a^2+b^2)/(a^2-b^2))`

Text Solution

Verified by Experts

The correct Answer is:
B
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