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PQ is a vertical and A,B,C are three poi...

PQ is a vertical and A,B,C are three points in the horizontal plane through the foot tower P. The angles of elevation of Q from A,B and C are equal and each measures `theta` . The sides of the triangle ABC are a,b,c and the area of the triangle ABC is `Delta` . prove that rthe height of tower is `(abc)/(4Delta)tantheta`.

Text Solution

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The correct Answer is:
`h=(abc tan theta)/(4 triangle)`
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