Width of a River A biologist wants to know the width w of a river in order to set
Chapter 8, Problem 72(choose chapter or problem)
Width of a River A biologist wants to know the width w of a river in order to set instruments to study the pollutants in the water. From point A the biologist walks downstream 100 feet and sights to point C. From this sighting it is determined that (see figure). How wide is the river?
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