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Orthocenter of a Triangle by bodehm.wicklund

Orthocenter of a Triangle by bodehm.wicklund
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2016-01-28 23:00
TriangleAngleGeometric Construction
This example demonstrates how to construct the orthocenter of a triangle using GeoGebra, including related geometric elements. Key math concepts involve perpendicular lines, intersection points, angles, and vectors. Construction highlights the use of commands like Polygon, Line, OrthogonalLine, Intersect, and Angle. Suitable for high school geometry education and construction learning.

GeoGebra Commands & Parameters

  1. Polygon(A, B, C) → poly1, c, a, b
  2. Line(A, B) → d
  3. Line(B, C) → e
  4. Line(A, C) → f
  5. OrthogonalLine(B, b) → g
  6. Intersect(f, g) → D
  7. Angle(C, D, B) → α
  8. OrthogonalLine(A, a) → h
  9. Intersect(g, h) → E
  10. OrthogonalLine(C, c) → i