A biologist wants to know the width w of a river so that

Last updated: 8/10/2022

A biologist wants to know the width w of a river so that instruments for studying the pollutants in the water can be set property. From the biologist walks downstream x = 110 feet and sights to point C (see figure). From this sighting, it is determined that Θ =54º. Ho wide is the river?