Law of Cosines Demonstration by Alex Ford
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This example dynamically demonstrates the relationship between the sides and an angle in a triangle, visually illustrating the application of the Law of Cosines; Core math concepts include the Law of Cosines and its use in triangle solving; Construction highlights involve commands like Segment for sides, Polygon for polygons, and Angle for angles, with objects such as A, B, c, C, a, b; Suitable for high school mathematics teaching and student understanding of the Law of Cosines and triangle properties, useful for problem demonstrations and concept deepening.
GeoGebra Commands & Parameters
Segment(A, B) → cSegment(B, C) → aSegment(C, A) → bPolygon(A, C, 4) → poly1, d, e, f, g, D, EPolygon(C, B, 4) → poly2, h, i, j, k, F, GPolygon(B, A, 4) → poly3, l, m, n, p, H, IAngle(B, A, C) → αAngle(C, B, A) → βAngle(A, C, B) → γ