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Home > PC3 > Chapter 2 > Lesson 2.2.2 > Problem 2-67


​Roger is in an Algebra 2 class and has discovered the radian setting on his calculator. He has not learned about radians but would like to know what they are.

  1. Explain to Roger how a radian is defined.

    1 radian is the angle measure found by wrapping one radius around a circle.

  2. What are the steps Roger needs to do to covert to radians?

    Us a Giante One of .

  3. Show him how to change radians to degrees.