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Self-Assess Distance Between Two Points

Self-Assess Distance Between Two Points
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2014-04-06 13:16
TrigonometryCoordinate GeometryGeometric Construction
In collections Coordinate Geometry of Straight Lines (E Math)
This example demonstrates calculating the distance between two points (length of a line segment). It involves core math concepts like Pythagorean Theorem, Similar Triangles, and Transformations. Constructed using commands like Random, Segment, Vector, Angle, Textfield, and If. Ideal for middle school and above students to practice distance calculations and enhance geometric intuition.

GeoGebra Commands & Parameters

  1. Random(-9, 10) → B_y
  2. Random(-11, 15) → B_x
  3. Random(-9, 10) → A_y
  4. Random(-11, 15) → A_x
  5. Segment(A, B) → a
  6. Vector(F, B) → u
  7. Vector(A, F) → v
  8. Segment(A, F) → c
  9. Segment(B, F) → d
  10. Angle(A, F, B) → α
  11. Textfield(distanceAB) → inputBox1
  12. Textfield(timelimit) → inputBox2
  13. If(abs(distanceAB - Length[a]) < 0.005, false, true) → CorrectAnswer