A biologist wants to know the width w of a river so that instruments for studying the pollutants in the water can be set properly. From point A the biologist walks downstream x = 140 feet and sights to point (see figure). From this sighting, it is determined
that 0 = 54º. How wide is the river?
8=54
ΑΣ
(Round your answer to three decimal places.)
ruc

197.693
202.693
212.693
207.693
192.693
e