21. A circle of radius 32 inches has a central angle that subtends an arc of length 207 inches. (a) Find the central angle as shown in both radians and degrees. (b) If the shaded sector in the circle is cutout and the remaining portion of the circle is used to form a cone, what is the radius of the cone?

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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21. A circle of radius 32 inches has a central angle that subtends an arc of length 207 inches.
(a) Find the central angle as shown in both radians and degrees.
(b) If the shaded sector in the circle is cutout and the remaining portion of the circle is
used to form a cone, what is the radius of the cone?
Transcribed Image Text:21. A circle of radius 32 inches has a central angle that subtends an arc of length 207 inches. (a) Find the central angle as shown in both radians and degrees. (b) If the shaded sector in the circle is cutout and the remaining portion of the circle is used to form a cone, what is the radius of the cone?
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