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|The distance from center of circle to any point on it||Radius||97.5%|
|The longest distance from one end of a circle to the other||Diameter||93.2%|
|The distance around the circle||Circumference||90.5%|
|A curved line that is part of the circumference of a circle||Arc||73.3%|
|A line perpendicular to the radius that touches ONLY one point on the circle||Tangent of a Circle||64.3%|
|A line segment within a circle that touches 2 points on the circle||Chord||36%|
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