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

Isosceles Right Triangle
Congruent Figures
挂谷问题——三尖瓣形
Perpendicular Lines: Quick Exploration
Pythagorean Template: Integer Legs

Discover Resources

beneficio marginal
cscc
Torus
Line: Normal Form
Circumference of a Circle and Pi

Discover Topics

Confidence Interval
Trigonometry
Equations
Straight Lines
Orthocenter