Section 5.2 Solutions To Exercises Worksheet With Answers - Uw-Madison Department Of Mathematics Page 11

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Instructor’s Solutions Manual, Section 5.2
Exercise 11
π
11.
radians
9
solution
Start with the equation
2π radians = 360
.
Divide both sides by 2 to obtain
π radians = 180
.
Now divide both sides by 9, obtaining
π
180
radians =
= 20
.
9
9

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