The circular arc of a railroad curve has a chord of length 3400 feet corresponding to a central angle of 38. (Round your answers to two decimal places.) (a) Draw a diagram that visually represents the situation. Show the known quantities on the diagram and use the variables r and s to represent the radius of the arc and the length of the arc, respectively. (b) Find the radius r of the circular arc. ft (c) Find the length s of the circular arc. ft
The circular arc of a railroad curve has a chord of length 3400 feet corresponding to a central angle of 38. (Round your answers to two decimal places.) (a) Draw a diagram that visually represents the situation. Show the known quantities on the diagram and use the variables r and s to represent the radius of the arc and the length of the arc, respectively. (b) Find the radius r of the circular arc. ft (c) Find the length s of the circular arc. ft
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE:
1. Give the measures of the complement and the supplement of an angle measuring 35°.
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![Crop and straighten your question
The circular arc of a railroad curve has a chord of length 3400 feet corresponding to a central angle of 38°. (Round your answers to
two decimal places.)
(a) Draw a diagram that visually represents the situation. Show the known quantities on the diagram and use the variables r
and s to represent the radius of the arc and the length of the arc, respectively.
(b) Find the radius r of the circular arc.
ft
(c) Find the length s of the circular arc.
ft
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Transcribed Image Text:Crop and straighten your question
The circular arc of a railroad curve has a chord of length 3400 feet corresponding to a central angle of 38°. (Round your answers to
two decimal places.)
(a) Draw a diagram that visually represents the situation. Show the known quantities on the diagram and use the variables r
and s to represent the radius of the arc and the length of the arc, respectively.
(b) Find the radius r of the circular arc.
ft
(c) Find the length s of the circular arc.
ft
Need Help?
Read It
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