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SSS Triangle Congruence

SSS Triangle Congruence
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2015-10-11 07:29
TrianglePolygonAngleCoordinate GeometryGeometric Construction
In collections Triangle Congruence
This example demonstrates the SSS (Side-Side-Side) triangle congruence principle. If two triangles have all three sides equal, they are congruent. Using GeoGebra commands such as Intersect, Circle, Point, Segment, and Polygon, the construction process of the triangle is visually demonstrated. Suitable for middle school and above students to learn geometric construction and the concept of triangle congruence.

GeoGebra Commands & Parameters

  1. Intersect(xAxis, yAxis) → A
  2. Circle(A, 2) → c
  3. Circle(A, 3) → d
  4. Point(c) → B
  5. Circle(B, 4) → e
  6. Intersect(d, e, 1) → C
  7. Segment(B, C) → a
  8. Polygon(B, A, C) → poly1, c_1, b, a_1
  9. Distance(A, B) → distanceAB
  10. Distance(A, C) → distanceAC
  11. Distance(B, C) → distanceBC
  12. Angle(B, A, C) → α
  13. Angle(A, C, B) → β
  14. Angle(C, B, A) → γ