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This is the standard unit used to measure angles in mathematics
Arc
Radian
Circumference
Convert п/3 into degrees
30 degrees
45 degrees
60 degrees
Convert п/2 into degrees
90 degrees
This is the length of a line that bounds a circle
This is a continuous part of the circumference of a circle
True or false: The center of a unit circle is at (0,0)
True
False
True or false: The circumference of a unit circle is 2п
Convert п/6 into degrees
Convert п/4 into degrees
It is done.