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Angle Measurement and Geometric Construction Practice

Angle Measurement and Geometric Construction Practice
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2017-11-24 21:39
AngleCoordinate GeometryParametric EquationGeometric Construction
In collections IMP2GBD Geometry Angle Investigations Math Scored Practice Geometry CK12 CH01 Basics
This example demonstrates how to use GeoGebra for angle measurement and geometric construction, involving core mathematical concepts such as angles, geometric mean, parametric curves, and coordinate geometry. By constructing objects like circles, points, and segments, and using commands such as rotation and random generation, the properties and variations of geometric figures can be visually presented. Suitable for high school students to develop geometric construction skills and spatial reasoning abilities.

GeoGebra Commands & Parameters

  1. Circle(D, 6.19) → c
  2. Point(c) → E
  3. Rotate(E, 162.35°, D) → E'
  4. Point(c) → F
  5. Segment(F, D) → h
  6. Ray(Vertex, R) → f
  7. Random(5, 175) → Ang
  8. Rotate(R, Ang°, Vertex) → R'
  9. Angle(R, Vertex, R') → α
  10. Ray(Vertex, R') → g
  11. Text(Score) → text1
  12. Text(try) → text3
  13. Text(θ) → text6
  14. Circle(Vertex, 0.5) → d