4. When a 46 foot tall radio antenna casts a 20 foot long shadow, to the nearest tenth, what is the angle of elevation of the sun?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.2: The Law Of Cosines
Problem 3E
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4. When a 46 foot tall radio antenna casts a 20 foot long shadow, to the nearest tenth, what is the angle of
elevation of the sun?
5. Mont Blanc, the highest of the Alps, is 48 km high The angles of elevation from points A and B are 43
and 54 , as shown. Calculate the length of the tunnel that will run from A to B to the nearest tenth of a
kilometer.
Transcribed Image Text:4. When a 46 foot tall radio antenna casts a 20 foot long shadow, to the nearest tenth, what is the angle of elevation of the sun? 5. Mont Blanc, the highest of the Alps, is 48 km high The angles of elevation from points A and B are 43 and 54 , as shown. Calculate the length of the tunnel that will run from A to B to the nearest tenth of a kilometer.
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