3. (S7) (a) Find the exact length of the arc of a circle of radius 10 inches, subtended by a central angle of 45°. Show work. (b) Find the exact area of that sector of the circle. Show work.

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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3. (S7)
(a) Find the exact length of the arc of a circle of radius 10 inches, subtended by a central
angle of 45°. Show work.
(b) Find the exact area of that sector of the circle. Show work.
Transcribed Image Text:3. (S7) (a) Find the exact length of the arc of a circle of radius 10 inches, subtended by a central angle of 45°. Show work. (b) Find the exact area of that sector of the circle. Show work.
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