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The angle of elevation of the top of a t...

The angle of elevation of the top of a tower at a point on the ground is `30^@`. If on walking 20 m toward the tower, the angle of elevation becomes `60^@`, then the height of the tower is

A

10 m

B

`10/sqrt3 m`

C

`10sqrt3 m`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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