Oriented area
Computes the oriented area inside a triangle, arc or polygon.
Syntax
oriented_area(Triangle)
oriented_area(Arc)
oriented_area(Polygon)
Description
Given a triangle, computes its area, and the sign takes into account the orientation of its vertices.
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Given an arc, computes the area that encloses, and the sign takes into account the orientation.
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Given a polygon, computes the area that encloses, and the sign takes into account the orientation of its vertices.
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