Definition of a Rectangle
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This example illustrates the definition of a rectangle. Key mathematical concepts include angles and slope. Using GeoGebra commands such as Segment, OrthogonalLine, Point, Intersect, and Angle, a rectangle can be constructed. Suitable for middle school and above students to learn geometric construction.
GeoGebra Commands & Parameters
Segment(A, B) → fOrthogonalLine(B, f) → gOrthogonalLine(A, f) → hPoint(h) → COrthogonalLine(C, h) → iSegment(A, C) → jIntersect(g, i) → DSegment(B, D) → kSegment(D, C) → lAngle(C, A, B) → αAngle(A, B, D) → βAngle(B, D, C) → γAngle(D, C, A) → δ