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

函數的單調性
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רישום חופשי
Neuberg's Theorem
兩位數的位值

Discover Resources

Hubungan sudut dalam dan sudut luar segitiga
Primer3
Cosine and Sine Functions
Pythagorean Theorem Proof

Discover Topics

Straight Lines
Equilateral Triangles
Ratios
Piecewise Functions
Solids or 3D Shapes