A platform and a building are on horizontal plane.the angle of depression of the bottom c of the building from the top A of the platform is 39° .The angle of elevation of the top B of the building from the top of the platform is 56 . Given that the distance btw the foot of the platform and that of the building is 10m,calculate the height of the building to the nearest whole number.?
In University of Ibadan
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Asked by Mallam on 7th January, 2021
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