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AB is a vertical pole with B at the grou...

AB is a vertical pole with B at the ground level and and A at the top .A man finds that the angle of elevation of the point A from a certain point C on the ground is `60^(@)` . He moves away from the pole along the line BC to a point D such that CD = 7 m .From D . the angle of elevation of the point A is `45^(@)` .Find the height of the pole .

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The correct Answer is:
`(7sqrt(3)(sqrt(3)+1))/(2)m`
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AB is vertical pole with B at ground level and A at the top. A man finds that the angle of elevation of the point A from a certain point C on the ground is 60^(@) . He moves away from the pole along the line BC to a point D such that CD =7 m. From D the angle of elevation of the point A is 45^(@) then the hight of the pole is

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SRISIRI PUBLICATION-PROPERTIES OF TRIANGLES-LAQ ,SAQ,VSAQ (2DHARDQ) (3DMIS.Q)
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