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Geometry Lab 8.2 Explore Trigonometric Ratios

Geometry Lab 8.2 Explore Trigonometric Ratios
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2018-02-13 01:11
AngleTrigonometryGeometric Construction
This example demonstrates how to explore trigonometric ratios by constructing rays, points, and orthogonal lines. Core mathematical concepts include triangles, angles, distances, and midpoints. Construction highlights the use of GeoGebra commands such as Ray, Point, OrthogonalLine, Intersect, Angle, Distance, Midpoint. Suitable for high school students learning geometry and trigonometry.

GeoGebra Commands & Parameters

  1. Ray(A, B) → f
  2. Ray(A, C) → g
  3. Point(g) → D
  4. OrthogonalLine(D, f) → h
  5. Intersect(h, f) → E
  6. Angle(A, E, D) → α
  7. Angle(E, A, D) → β
  8. Distance(E, A) → distanceEA
  9. Midpoint(E, A) →
  10. Distance(E, D) → distanceED
  11. Midpoint(E, D) →
  12. Distance(D, A) → distanceDA
  13. Midpoint(D, A) →