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Proof of the Law of Sines by lori.white

Proof of the Law of Sines by lori.white
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2017-06-24 09:18
TriangleTrigonometryGeometric Construction
This example guides students to prove the Law of Sines through geometric construction. Key mathematical concepts include triangles and trigonometry. GeoGebra commands used include Polygon, Point, Segment, etc. Suitable for high school mathematics education.

GeoGebra Commands & Parameters

  1. Polygon(A, B, C) → poly1, c, a, b
  2. Point(c) → D
  3. Segment(C, D) → f
  4. Polygon(A, D, C) → poly2, c_1, a_1, d
  5. Polygon(C, D, B) → poly3, b_1, c_2, d_1