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

Dividing a 3-digit number by a 1-digit number (2)
seo tool
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Geometric linkage
Function Machine

Discover Resources

Example 3
The line of intersection of three planes
Geometry 1.5.3 Bisect This (Part 2)
Random Walk in 3D

Discover Topics

Vectors
Curve Sketching
Logarithmic Functions
Equilateral Triangles
Quadrilaterals