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

繪畫垂直線
Congruent Sides & Angles in △s: Exploration
Midpoint Theorem (V2): Integer Solutions
Pythagorean Theorem: Extension Exercises
Writing and Graphing Proportional Relationships (k>0)

Discover Resources

Sin and Cos Basic Rigid Transformations
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Turning Green
Nisbah Trigo : Kenalpasti sisi HOA

Discover Topics

Pythagoras or Pythagorean Theorem
Orthocenter
Function Graph
Probability
Scatter Plot