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Triangle Proportionality Theorem

Author:Andrew Camp, Malin Christersson
Interactive help to prove the triangle proportionality theorem.

New Resources

  • Random Polar Curve (3)
  • Rolling an Equilateral Triangle
  • Angle Addition: Warm Up Exercises
  • Slope and Road Signs
  • Fourier Lissajous (Mechanical)

Discover Resources

  • Rules for VFW green car
  • MCV4UA Lesson 7 Activity 3
  • Discovering Rotations
  • Sine and cosine waves from the unit circle
  • SqNSqRts: Triangular Numbers

Discover Topics

  • Cosine
  • Optimization Problems
  • Arithmetic
  • Isosceles Triangles
  • Tangent Function
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