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Pentagon Angles

Pentagon Angles
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2019-02-28 16:17
PolygonAngleGeometric Construction
This example demonstrates the interior angles of a pentagon. Key mathematical concepts include the sum of interior angles in a polygon. Using GeoGebra commands Polygon and Angle, the construction of a pentagon and measurement of its interior angles are illustrated. Suitable for students at the middle school level and above to learn about the sum of interior angles in a pentagon.

GeoGebra Commands & Parameters

  1. Polygon(A, B, 5) → poly1, f, g, h, i, j, C, D, E
  2. Polygon(F, G, H, I, J) → poly2, f_1, g_1, h_1, i_1, j_1
  3. Angle(poly1) → α, β, γ, δ, ε
  4. Angle(poly2) → ζ, η, θ, ι, κ