20. Al and Bob are at opposite ends of a diameter of a silo in the shape of a tall right cireular cylinder with radius 150 ft. Al is due west of Bob. Al begins walking along the edge of the silo at 6 ft per second at the same moment that Bob begins to walk due east at the same speed. The value closest to the time in seconds when Al first can see Bob is: A. 46 В. 47 С. 48 D. 49 E. 50

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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20. Al and Bob are at opposite ends of a diameter of a silo in the shape of a tall right circular cylinder with radius
150 ft. Al is due west of Bob. Al begins walking along the edge of the silo at 6 ft per second at the same moment
that Bob begins to walk due east at the same speed. The value closest to the time in seconds when Al first can see
Bob is:
A. 46
В. 47
С. 48
D. 49
E. 50
Transcribed Image Text:20. Al and Bob are at opposite ends of a diameter of a silo in the shape of a tall right circular cylinder with radius 150 ft. Al is due west of Bob. Al begins walking along the edge of the silo at 6 ft per second at the same moment that Bob begins to walk due east at the same speed. The value closest to the time in seconds when Al first can see Bob is: A. 46 В. 47 С. 48 D. 49 E. 50
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