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

Segment Addition Postulate (Mild Questions)
Modifiable Right Triangular Prism
Squaring a Rectangle (PST Version)
Rotating Custom Polygons Around an Axis
Deciding How New Information Affects Probability

Discover Resources

GeoGebra 1
section tetraedre
Abbeville County
Golden_Ratio_Olle
Fibonacci & Art

Discover Topics

Boxplot
Coordinates
Trigonometry
Definite Integral
Parallelogram