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Unformatted text preview: r on a circle of radius r . In general, s r where is the angle measured in radians, s is the arc length, and r is the radius of the circle. Measuring Angles Degrees If the circle is divided into 360 arcs of equal length, the number of arcs intercepted by a central angle is the measure of the angle in degrees, denoted . A minute is 1/60 th of a degree. A second is 1/60 th of a minute. Coterminal angles  Conversion Factors: 1 degree = radians 180 180 1 radian = radians Radians Degrees Degrees, Minutes, Seconds 6 5 12 60 225 11 7 3 119 30 45 320 25 50...
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 Fall '08
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 Angles, Measuring Angles

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