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Radian and Degree Measure

By: Winn Gramling
Across
Determined by rotating a ray about its endpoint.
The ending position of the ray is the _____ side of the angle.
The measure of a central angle θ that intercepts an arc s equal in length to the radius r of the circle. θ=s/r
Angles that are generated by counterclockwise rotation.
Equal to a rotation of 1/360.
(π rad)/180 degrees
____=s/t
Two positive angles α and β are _______ when their sum is 180 degrees (π).
The starting position of the ray is the _____ side of the angle.
Down
The _____ of an angle is determined by the amount of rotation from the initial side to the terminal side.
Angles that are generated by clockwise rotation.
____=θ/t
Two positive angles α and β are _______ when their sum is 90 degrees (π/2).
180 degrees/(π rad)
Angles that have the same initial and terminal sides are ______.
Angles between π/2 and π are _____.
Angles between 0 and π/2 are ____.
The endpoint of the ray is the _____ of the angle.
S=rθ
This perception of an angle fits a coordinate system in which the origin is the vertex and the initial side coincides with the positive X-axis. Such angle is in _____ position.