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Sum of Interior Angles of Polygons by Rachel Fruin

Sum of Interior Angles of Polygons by Rachel Fruin
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2014-03-15 02:55
PolygonAngleGeometric Construction
In collections GCSE Higher Ch5 Angles & Trigonometry Polygon: Interior and Exterior Angles
This example demonstrates the discovery of the sum of interior angles of polygons, involving basic properties of polygons. Using GeoGebra commands such as Polygon, Textfield, and If, users can dynamically change the number of sides of the polygon and observe the pattern of the interior angle sum. Suitable for middle school and above students to learn geometric construction and polygon-related concepts.

GeoGebra Commands & Parameters

  1. Polygon(A, B, n) → poly1, a, D, E, F, G, H, b, c, j, l, q, r, s, C
  2. Textfield() → inputBox1
  3. If(inputBox1 ≟ m, text1) → NO
  4. Textfield() → inputBox2
  5. Textfield() → inputBox3
  6. Textfield(f) → inputBox4
  7. Textfield(g) → inputBox5
  8. Textfield(h) → inputBox6

AI Drawing Prompt Reference

Draw a polygon with dynamic display of its interior angle sum, allowing users to change the number of sides by inputting a value, and label the pattern of the interior angle sum, suitable for learning geometric construction and polygon-related concepts.
The prompt above was compiled from the original drawing commands and is for reference only.