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Perpendicular Intersection

Perpendicular Intersection
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2016-03-10 05:26
AngleCoordinate GeometryGeometric Construction
This example demonstrates the geometric relationship of perpendicular intersections involving points, lines, and angles. It covers core concepts like geometric construction, orthogonal lines, angle measurement, and coordinate geometry. Key GeoGebra commands used include Line, Point, OrthogonalLine, and Angle. Suitable for high school and above students to learn geometric constructions and properties.

GeoGebra Commands & Parameters

  1. Line(A, B) → a
  2. Point(a) → C
  3. OrthogonalLine(C, a) → b
  4. Point(b) → E
  5. Angle(A, C, E) → α
  6. Angle(E, C, B) → β
  7. Point(b) → D
  8. Angle(B, C, D) → γ
  9. Angle(D, C, A) → δ