Working with Triangles

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

Proving Triangles Congruent (2): One Step Transformations
Trophy (version 2)
Transformations: 2 Steps (V2)
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Constructing Equilateral Triangles + Activities

Discover Resources

smallest square enclosing a triangle
Spike Star Swirl Fractal
matrice
The Fundamental Theorem of Calculus
Angles in a Parallelogram
Integral Approximation

Discover Topics

Linear Regression
Pythagoras or Pythagorean Theorem
Linear Functions
Mathematics
Solids or 3D Shapes