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Radian and Degree Measure

By: Winn Gramling
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Across
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Determined by rotating a ray about its endpoint.
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The ending position of the ray is the _____ side of the angle.
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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
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Angles that are generated by counterclockwise rotation.
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Equal to a rotation of 1/360.
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(π rad)/180 degrees
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____=s/t
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Two positive angles α and β are _______ when their sum is 180 degrees (π).
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The starting position of the ray is the _____ side of the angle.
Down
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The _____ of an angle is determined by the amount of rotation from the initial side to the terminal side.
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Angles that are generated by clockwise rotation.
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____=θ/t
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Two positive angles α and β are _______ when their sum is 90 degrees (π/2).
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180 degrees/(π rad)
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Angles that have the same initial and terminal sides are ______.
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Angles between π/2 and π are _____.
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Angles between 0 and π/2 are ____.
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The endpoint of the ray is the _____ of the angle.
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S=rθ
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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.