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4-54.
Roger 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.
Explain to Roger how a radian is defined.
1 radian is the angle measure found by wrapping one radius around a circle.
Show him how to change 240° to radians.
Use a Giant One of
. Show him how to change
radians to degrees.