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Classifying Triangles by Angles

Classifying Triangles by Angles
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2019-03-21 08:01
TriangleAngleGeometric Construction
This example demonstrates how to classify a triangle by its angles based on given side lengths. It involves core math concepts like triangle classification, angle measurement, and geometric construction. Key GeoGebra commands used include Circle, Intersect, Segment, Polygon, Textfield, and Angle. Suitable for middle school students and math enthusiasts learning triangle classification methods.

GeoGebra Commands & Parameters

  1. Circle(A, a) → d
  2. Intersect(d, e) → B, C
  3. Circle(C, b) → f
  4. Segment(A, C) → g
  5. Circle(A, c) → k
  6. Intersect(k, f) → F, G, ,
  7. Segment(C, F) → h
  8. Segment(F, A) → i
  9. Polygon(A, C, F) → poly1, f_1, a_1, c_1
  10. Textfield(a) → InputBox1
  11. Textfield(b) → InputBox2
  12. Textfield(c) → InputBox3
  13. Angle(A, F, C) → α
  14. Angle(F, C, A) → β
  15. Angle(C, A, F) → γ