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

Constructing a Regular Hexagon + Practice
အခြေခံ data အခေါ်အဝေါ်များ
Proving Triangles Congruent (2): One Step Transformations
Trophy (version 2)
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Discover Resources

Looking At Partial Sums
true/quadrangle-midpoints-are-collinear-ex261.ggb
Circle Geometry 2016-07-14A
Finding Triangle congruency

Discover Topics

Indefinite Integral
Function Graph
Multiplication
LCM and GCD
Pythagoras or Pythagorean Theorem