Forestry. The taller a lookout tower, the farther an observer can see. That distance
Chapter 9, Problem 9.5.106(choose chapter or problem)
Forestry. The taller a lookout tower, the farther an observer can see. That distance (called the horizon distance, measured in miles) is related to the height of the observer (measured in feet) by the formula d 1.222h. How tall must a lookout tower be to see the edge of the forest, 25 miles away? (Round to the nearest foot.) dh
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