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

A Happy Polar Leaf
Curves
Nobody Likes to Be a Semicircle
bewijs stelling van Pythagoras
z`]]

Discover Resources

H.1.9 Isosceles Triangle Const.
Shifting Cosine
Euler Line Construction
Ex 1B Q27
Plotting Points in 3D: Dynamic Illustrator

Discover Topics

Reflection
Planes
Addition
Binomial Distribution
Upper and Lower Sum or Riemann Sum