A pole of height 24m is sighted from top of a house. from top of the house the angle of depression to the top of the pole and base of pole is 30° and 45° respectively how far is pole from the house?
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Answer:
AC = wire
AB and CD are two poles
In△AEC
sin660∘=AEAC
⇒3–√2=12AC
(AE = AB - CD = 36 - 24 = 12 m)
AC=243–√
=8√3
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