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Definition
| the figure formed by two rays sharing a common end point, called the vertex |
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Definition
| an angle positioned so that its vertex is at the origin of a coordinate, and its initial side is the positive x-axis |
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Definition
| the fixed ray of an angle in standard position along the positive x-axis |
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Definition
| a ray of an angle in standard position that rotates about the origin |
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Definition
| two angles in standard position that have the same terminal side |
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Definition
| the measure of an angle in standard position whose rays intercept an arc of length one on the unit circle |
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Definition
| a circle with center (0,0) on a coordinate plane and radius one unit |
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Term
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Definition
| the area of a circle bounded by two radii and the included arc |
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