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Triangle Sum

Author:Carol Zamora
Move the points of the triangle. The sum of the angles will always equal 180 degrees.

New Resources

  • Reflection Across 2 Parallel Lines
  • Volume by Disk/Washer around y
  • Reflection = 180° Rotation about a Line
  • Locus Related to Descartes' Folium
  • Circle Passing Through 3 Points

Discover Resources

  • Example 3
  • Parallel Lines Congruent Segments Theorem
  • Angle of Rotation - Equilateral Triangle
  • Linear Function Transformations- PCSS 1
  • Perpendicular Bisector

Discover Topics

  • Pythagoras or Pythagorean Theorem
  • Derivative
  • Matrices
  • Hypothesis Testing
  • Linear Equations
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