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

Parabola - Write the Equation - Practice
Portions of a Sphere
Folding door
Proving Triangles Similar: Multistep Transformations
bewijs stelling van Pythagoras

Discover Resources

Silly Picture
Activity 2 Andrew Davis
ITA - Εγγεγραμμένες Eπίκεντρες γωνίες n.3
Untitled
Circle and Curcimference

Discover Topics

Poisson Distribution
Numbers
Set Theory
Integers
Quadratic Functions