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

Building Triangles with Set Areas
seo tool
Mondrian's Puzzle
Parallelogram Anatomy
Building Trapezoids with Set Areas

Discover Resources

blank file
Student Lesson 2 Work
final project
Random arithmetic sequence #2
Elena - Periodic Functions

Discover Topics

Perimeter
Histogram
Kite
Natural Numbers
Quadratic Equations