A biologist wants to know the width w of a river to properly

Last updated: 8/11/2022

A biologist wants to know the width w of a river to properly set instruments for an experiment. From point A, the biologist walks downstream 100 feet and sights to point C (see figure). From this sighting, it is determined that θ = 47°. How wide is the river? (Round your answer to one decimal place.