Line segment
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In geometry, a line segment is a part of a straight line that is bounded by two distinct endpoints, and contains every point on the line that is between its endpoints. It is a special case of an arc,
Historical image of 1699 - creating a line segment
Curve
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In mathematics, a curve is an object similar to a line, but that does not have to be straight.
Line segment
…bounded by two distinct endpoints (its extreme points), and contains every point on the line that is between its endpoints. It is a special case of an arc, with zero curvature. The length of a line segment is given by the Euclidean distance between its endpoints. A closed line segment includes both…
Megalithic art from Newgrange showing an early interest in curves
A dragon curve with a positive area