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a surveyor measures the top of a building 50 ft away from him. his angle measuring device is 4 ft above ground. the angle of elevation to the top of the building is 63 degrees. how tall is the building?
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a surveyor measures the top of a building 50 ft away from him. his angle measuring device is 4 ft above ground. the angle of elevation to the top of the building is 63 degrees. how tall is the building?

User Chen Peleg
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This is the term used to describe economic systems in which the basic economic questions are answered based on a socially, pre-established way.
User Syad
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