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

Rotating Custom Polygons Around an Axis
Midpoint Theorem Questions: Mild
Deciding How New Information Affects Probability
Isosceles Right Triangle
Building Algebra Tile Models for Trinomials

Discover Resources

Tangent to sine
Banks,Miles perpendicular bisector
Construction 6
Gradient y=mx
Measuring Angles with a protractor

Discover Topics

Exponent
Secant Line or Secant
Similar Triangles
Planes
Subtraction