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6
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two or more circles with the same radius
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7
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the angle with its vertex at the center of the circle
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8
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the two points that mark the end of an arc
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9
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the point where the tangent touches the circle
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10
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an arc of a circle that is larger than a semicircle
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11
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the same measure as the measure of the central angle
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12
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the set of all points in a plane that is a given distance from a given point
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13
|
an arc of a circle whose endpoints are the endpoints of a diameter; half of a circle
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