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

Mosaic
Geometric linkage
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רישום חופשי
Dilation + Rotation of Pentagons

Discover Resources

Scale Drawing 7.G.1
quadratrix_of_Hippias
US-6002-HINT: Classificatie van de driehoeken volgens de zijden