12. A sector of area 2t in? is formed by a central angle of 45°. What is the radius of the circle? 13 If the answer needs rounding, round it to three significant digits. r = inches
12. A sector of area 2t in? is formed by a central angle of 45°. What is the radius of the circle? 13 If the answer needs rounding, round it to three significant digits. r = inches
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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![12. A sector of area 21 in? is formed by a central angle of 45°. What is the radius of the circle?
13
If the answer needs rounding, round it to three significant digits.
r =
inches](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa6e42e6b-05c1-4c7b-abc2-39461117d97f%2F497f4cea-787a-431e-8408-ad0f0405ed36%2Fw2eibo4_processed.png&w=3840&q=75)
Transcribed Image Text:12. A sector of area 21 in? is formed by a central angle of 45°. What is the radius of the circle?
13
If the answer needs rounding, round it to three significant digits.
r =
inches
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