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

探究長方形對角線上的正方形數目
အခြေခံ data အခေါ်အဝေါ်များ
Balls in an Urn
Roll 6d five times
רישום חופשי

Discover Resources

Multiplying line segments geometrically
How oscillating secant line does not converge to a tangent line
Paper Folding Quadratic Equations 2
Quadratic3
Sun-Tan-ing on a Unit Circle (28 October 2019)

Discover Topics

Linear Regression
Mode
Congruence
Function Graph
Angles