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Triangle Congruence: Side-Angle-Side

Triangle Congruence: Side-Angle-Side
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2018-05-11 23:30
TriangleAngleGeometric Construction
This interactive sheet demonstrates the Side-Angle-Side (SAS) criterion for triangle congruence. It covers the core mathematical concepts of triangle congruence, angles, and segments. The construction uses GeoGebra commands such as Segment, Angle, Circle, Point, Rotate, Ray, and Intersect. Suitable for middle school and above students to learn about triangle congruence.

GeoGebra Commands & Parameters

  1. Segment(A, B) → c
  2. Segment(B, C) → a
  3. Segment(C, A) → b
  4. Angle(A, C, B) → α
  5. Circle(D, b) → d
  6. Point(d) → E
  7. Segment(E, D) → e
  8. Rotate(E, α, D) → E'
  9. Angle(E, D, E') → β
  10. Ray(D, E') → f
  11. Circle(D, a) → g
  12. Intersect(g, f, 1.0) → F
  13. Segment(D, F) → h