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Half Circle

Half Circle
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2017-07-22 15:06
CircleCoordinate GeometryGeometric Construction
In collections Fractions الكسور
This example demonstrates the construction of a semicircle. Key mathematical concepts include the properties of circles and geometric construction. Using GeoGebra commands such as Circle, Sequence, and Vector, the process of generating a semicircle is dynamically shown. Suitable for students at the junior high school level and above to learn about circle-related knowledge.

GeoGebra Commands & Parameters

  1. Circle(O, 4) → c
  2. Sequence(Rotate[A, ((k * 360 / b))°, O], k, 0, 2 - 1) → Points
  3. Sequence(Segment[O, Element[Points, k]], k, 1, b) → Segments
  4. Sequence(CircleSector[O, Element[Points, k], Element[Points, k + 1]], k, 1, a) → Sectors
  5. Vector(B, C) → u
  6. Vector(D, E) → v
  7. Vector(F, G) → w

AI Drawing Prompt Reference

Draw a circle with a radius of 4, then create a sequence of points at equal angular intervals around the circle, connect these points to form the shape of a semicircle, fill the semicircle with sectors, and finally draw three vectors in different directions.
The prompt above was compiled from the original drawing commands and is for reference only.