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Bases and Fractions

Bases and Fractions
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2017-09-25 23:59
CircleVectorGeometric Construction
This example demonstrates the relationship between bases and fractions in geometric figures. It involves core math concepts like fractions, perimeter, surface area, 2D vectors, standard deviation, and isosceles triangles. Construction highlights the use of GeoGebra commands: Circle, Sequence, Textfield, and CircleSector. Suitable for middle school and above mathematics teaching or geometric construction practice.

GeoGebra Commands & Parameters

  1. Circle((0, 0), 1) → c
  2. Circle((0, 0), 0.9) → d
  3. Sequence(Segment[(0, 0), ((1.1 * cos(((N * 2) * π / n))), (1.1 * sin(((N * 2) * π / n))))], N, 1, n, 1) → D
  4. Sequence(Segment[(0, 0), (cos(((N * 2) * π / b)), sin(((N * 2) * π / b)))], N, 1, b, 1) → B
  5. Textfield(b) → InputBox1
  6. CircleSector((0, 0), (1, 0), (cos((2 * π / b)), sin((2 * π / b)))) → f