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71. A scientist standing at the top of a mountain 2 mi above sea 2 mi 1.82° level measures the angle of depression to the ocean horizon to be 1.82°. Use this information to approximate the В radius of the Earth to the C nearest mile. (Hint: The line of sight AB is tangent to the Earth and forms a right angle with the radius at the point of tangency.)

71. A scientist standing at the top of a mountain 2 mi above sea 2 mi 1.82° level measures the angle of depression to the ocean horizon to be 1.82°. Use this information to approximate the В radius of the Earth to the C nearest mile. (Hint: The line of sight AB is tangent to the Earth and forms a right angle with the radius at the point of tangency.)

Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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71. A scientist standing at the top of a mountain 2 mi above sea 2 mi 1.82° level measures the angle of depression to the ocean horizon to be 1.82°. Use this information to approximate the В radius of the Earth to the C nearest mile. (Hint: The line of sight AB is tangent to the Earth and forms a right angle with the radius at the point of tangency.)
Transcribed Image Text:71. A scientist standing at the top of a mountain 2 mi above sea 2 mi 1.82° level measures the angle of depression to the ocean horizon to be 1.82°. Use this information to approximate the В radius of the Earth to the C nearest mile. (Hint: The line of sight AB is tangent to the Earth and forms a right angle with the radius at the point of tangency.)
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