Atunnel under a river is 197.3 ft below the surface at its lowest point, as shown in the drawing. If the angle of depression of the tunnel is 5.561°, then how far apart on the surface are the entrances to the tunnel? How long is the tunnel?
Atunnel under a river is 197.3 ft below the surface at its lowest point, as shown in the drawing. If the angle of depression of the tunnel is 5.561°, then how far apart on the surface are the entrances to the tunnel? How long is the tunnel?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.1: Angles
Problem 36E
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how many feet apart are the entrances
how many ft long is the tunnel
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