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What makes a triangle equilateral, isosceles, or scalene?

How are these triangles the same? How are they different? Manipulate the triangles by dragging their blue corner points. What happens to their side lengths?

New Resources

Graphing Basic and Compound Inequalities
Function Art 3D - Flower
Parabolas, Lines and Nomograms
Congruent Sides & Angles in △s: Exploration
Writing and Graphing Proportional Relationships (k>0)

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Triangle Side Inequality
Proposition 13
December 8th
Condition of parallelism and perpendicularity of lines in terms of their slopes
Enjoy LCM Quiz

Discover Topics

Vectors 2D (Two-Dimensional)
Similarity Transformation or Similarity
Limits
Planes
Pyramid