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

End Behavior of Polynomial Functions
Rossler's Attractor
Laundry Basket
Midpoint Theorem (V2): Integer Solutions
Odd Function Explorer

Discover Resources

Area under the curve applet
الدائرة
Midline Conjecture
edited-Geometric Construction
Systems of Equations with Shapes

Discover Topics

Angles
Means
Arithmetic Operations
Symmetry
Unit Circle