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Angles and Measurement

Angles and Measurement
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2017-04-26 23:09
AngleCoordinate GeometryGeometric Construction
In collections Angles Discovery Activity
This example demonstrates the basic concepts of angles and their measurement methods. It involves core mathematical concepts such as the definition of angles, measurement units, and how to construct angles using GeoGebra commands. By using Line, OrthogonalLine, Intersect, Point, CircleArc, Segment, Angle, etc., users can intuitively understand the construction process of angles. Suitable for students at junior high school level and above to learn geometric construction and angle-related knowledge.

GeoGebra Commands & Parameters

  1. Line(A, B) → f
  2. OrthogonalLine(C, f) → g
  3. Intersect(f, g) → D
  4. Point(f) → E
  5. CircleArc(D, E, C) → c
  6. Segment(D, C) → h
  7. Segment(D, E) → i
  8. Point(c) → F
  9. Segment(D, F) → j
  10. Angle(E, D, F) → α
  11. Angle(F, D, C) → β