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4-54.
  1. Checkpoint iconRoger is in an Algebra 2 class and has found the radian setting on his calculator. He has not learned about radians but would like to know. Homework Help ✎

    1. Explain to Roger how a radian is defined.

    2. Show him how to change 240° to radians.

    3. Show him how to change radians to degrees.

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

Use a Giant One of