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

Constructing an Inscribed Equilateral Triangle + Activities
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Discover Resources

Example 1
Speed Distance Time
Graph Transformations: side-by-side
Cone Filling A Cylinder
Opposite angles of Cyclic Quad

Discover Topics

Stochastic Process or Random Process
Logarithmic Functions
Quadratic Equations
Incircle or Inscribed Circle
Secant Line or Secant