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

bewijs stelling van Pythagoras
Weighing Scales (kg & g)
Untitled
apec
Semicircular Cross Sections

Discover Resources

Forum 20 40887 A CountDownTimerExact
II OGRAM
SAS-1
similarity tests for triangles
Linear Correlation - Random Numbers
Phase