it is a nonnumerical relationships between the parts of a geometric figure. Examples include parallelism, perpendicularity, and concentricity.
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Geometric constraint solving has applications in many different fields, such as
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Geometric, usually refers to Geometry. But it can also be used to describe shapes, like squares, triangles, straight lines, circles, rectangles, etc.
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Read source 3 in particular. Geometric constraints, specifying the relations between elements of a geometric model symbolically, are a powerful tool to express and reason about the
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