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Area of a Parallelogram by sonom

Area of a Parallelogram by sonom
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2013-08-08 09:02
PolygonVectorGeometric Construction
In collections Surface Area and Volume
This example demonstrates how to calculate the area of a parallelogram using geometric construction. Key mathematical concepts include the properties of a parallelogram and its area formula. It utilizes commands such as Polygon, Point, Vector, Translate, Angle, and Segment in GeoGebra. Suitable for middle school and above students learning geometry and area calculation.

GeoGebra Commands & Parameters

  1. Polygon(A, D, C, E) → poly2, a_1, d, a, h
  2. Point(Circle[A, show]) → F
  3. Vector(A, F) → u
  4. Translate(A, u) → A'
  5. Translate(E, u) → E'
  6. Translate(B, u) → B'
  7. Polygon(A', E', B') → poly1', b', a', e'
  8. Angle(C, E, A) → α
  9. Segment(A, B) → a_2
  10. Segment(B, E) → b