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Heights_And_Distance

Q1)   A person in a small boat, offshore from a vertical cliff know to be 100ft               in height, takes a sighting of the top of the cliff. If the angle of elevation              is  found    to be 25 degrees , how far is offshore is the boat.

Q2)  The angle of elevation of the sun is 34.4 degrees. At instant   the                        shadow  cast by an obelisk is 762 ft long. Calculate the height of                        obelisk.



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