9. A reversed curve on a railroad track consists of two circular arcs. The central angle of one side is 20° with radius 2500 feet, and the central angle of the other is 25° with radius 3000 feet. Find the total lengths of the two arcs. A. 2812 ft. B. 2821 ft C. 2218 ft. D. 2182 ft.
9. A reversed curve on a railroad track consists of two circular arcs. The central angle of one side is 20° with radius 2500 feet, and the central angle of the other is 25° with radius 3000 feet. Find the total lengths of the two arcs. A. 2812 ft. B. 2821 ft C. 2218 ft. D. 2182 ft.
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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Transcribed Image Text:9. A reversed curve on a railroad track
consists of two circular arcs. The central
angle of one side is 20° with radius
2500 feet, and the central angle of the
other is 25° with radius 3000 feet. Find
the total lengths of the two arcs.
A. 2812 ft.
B. 2821 ft
C. 2218 ft.
D. 2182 ft.
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