Intersection and Angle Between Two Lines

Intersection and Angle Between Two Lines
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2016-10-05 00:20
This example demonstrates the point of intersection between two lines and the calculation and visualization of the angle between them. Core mathematical concepts include line equations in analytical geometry, intersection solving, and angle calculation using trigonometric functions. Constructed using GeoGebra commands/objects like Line, Angle, Intersect, Textfield, and InputBox. Suitable for high school students learning analytical geometry and trigonometry to understand line relationships and geometric transformations.

GeoGebra Commands & Parameters

  1. Textfield(A) → InputBox1
  2. Textfield(B) → InputBox2
  3. Textfield() → InputBox3
  4. Textfield(C) → InputBox4
  5. Textfield(D) → InputBox5
  6. Textfield(A) → InputBox6
  7. Textfield(B) → InputBox7
  8. Line(A, A2) → L_1
  9. Textfield(A) → InputBox8
  10. Textfield(B) → InputBox9
  11. Line(C, C2) → L_2
  12. Angle(b, d) → β
  13. Intersect(L_1, L_2) → E