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Side Angle Side Congruence Postulate

Side Angle Side Congruence Postulate
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2011-11-29 09:37
TriangleAngleGeometric Construction
In collections Similarity and Congruence Year 8 Pedagogies in Practice
This example dynamically demonstrates the Side Angle Side Congruence Postulate. It involves the core concept of triangle congruence. By creating points, segments, lines, and intersections, users can intuitively understand the proof process of the postulate. Suitable for students at the junior high school level and above.

GeoGebra Commands & Parameters

  1. Point(Circle[A, 4]) → B
  2. Segment(A, B) → a
  3. Point(Circle[A, 4]) → C
  4. Segment(A, C) → b
  5. Line(A, D) → c
  6. Line(D, a) → d
  7. Line(B, d) → e
  8. Line(B, c) → f
  9. Intersect(d, f) → E
  10. Segment(D, E) → g
  11. Line(D, b) → h
  12. Line(C, c) → i
  13. Intersect(h, i) → F
  14. Segment(F, D) → j