From the top of a 550-foot cliff, a hiker looks down at a river below. Her angles of depression to the near and far banks of the river are 70° and 50° respectively, as shown in the picture. Based on this information, approximately how wide is the river? hiker 50° 70° 550 ft river

From the top of a 550-foot cliff, a hiker looks down at a river below. Her angles of depression to the near and far banks of the river are 70° and 50° respectively, as shown in the picture. Based on this information, approximately how wide is the river? hiker 50° 70° 550 ft river

Elementary Algebra

17th Edition

ISBN:9780998625713

Author:Lynn Marecek, MaryAnne Anthony-Smith

Publisher:Lynn Marecek, MaryAnne Anthony-Smith

Chapter8: Rational Expressions And Equations

Section8.7: Solve Proportion And Similar Figure Applications

Problem 8.160TI: A pine tree casts a shadow of 80 feet next to a 30-foot tall building which casts a 40 feet shadow....

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Question

From the top of a 550-foot cliff, a hiker looks down at a river below. Her angles of depression to
the near and far banks of the river are 70° and 50° respectively, as shown in the picture.
5.
Based on this information, approximately how wide is the river?
hiker
500
70
550 ft
river
A
61.1 feet
200.2 feet
C
261.3 feet
461.5 feet

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