The Willis Tower in Chicago is 1454 feet tall and is
Chapter 8, Problem 49(choose chapter or problem)
The Willis Tower in Chicago is 1454 feet tall and is situated about 1 mile inland from the shore of Lake Michigan, as indicated in the figure on the following page. An observer in a pleasure boat on the lake directly in front of the Willis Tower looks at the 47. Finding the Width of a River Find the distance from A to C across the river illustrated in the figure. top of the tower and measures the angle of elevation as 5. How far offshore is the boat?
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