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Triangle Area and Perimeter Calculation by Jim Mamer

Triangle Area and Perimeter Calculation by Jim Mamer
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2018-03-06 23:04
TriangleGeometric Construction
This example demonstrates how to draw a triangle and calculate its area and perimeter using GeoGebra. Key math concepts include triangle area formulas, perimeter calculation, and the relationship between base and height. Construction highlights involve commands/objects like Line, Point, Polygon, OrthogonalLine, Intersect, Segment, PointIn, Distance, and Perimeter. Suitable for middle school students and above for learning geometric calculations and constructions, or for math teaching demonstrations.

GeoGebra Commands & Parameters

  1. Line(A, B) → f
  2. Line(C, f) → g
  3. Point(g) → D
  4. Point(f) → E
  5. Point(g) → F
  6. Polygon(D, E, F) → poly1, f_1, d, e
  7. OrthogonalLine(E, e) → h
  8. Intersect(h, g) → G
  9. Segment(E, G) → i
  10. PointIn(poly1) → Pointpoly1_1
  11. Distance(d, f_1) → a
  12. Perimeter(poly1) → perimeterpoly1
  13. PointIn(poly1) → Pointpoly1