Findings:

• Proof that all triangles are isosceles
• triangle (user)
• Numerical Quadrature Over Triangles
• triangles (user)
• triangle strip
• conditions for congruence between triangles
• famous sea chanties from the asphalt triangle (document)
• Dragon Triangle
• filled triangle
• empty triangle
• Iron triangle
• Triangle sum rule
• Triangle Challenge Solution
• Triangle Challenge
• Vodka Triangle
• Sternberg Triangle
• eternal triangle
• Federal Triangle
• Goualogo Triangle
• Triangle and Robert
• Soldiers' Triangle
• Encyclopedia of Triangle Centers
• The Second Love Triangle (Incomplete)
• Heinrich's Triangle
• Penrose triangle
• Contact Triangles
• The Three Kinds of Circles Associated with a Triangle
• golden triangle
• squares and triangles
• Summer Triangle
• The Triangle Scrub
• American Death Triangle
• Triangle of Fire
• Similar triangles
• Triangle jump
• Rhubarb Triangle
• Sunni triangle
• Devil's Triangle
• Sierpinski triangle
• Triangle shirtwaist fire
• Research Triangle
• Triangle piercing
• Research Triangle Park
• right triangle
• The Grand High Triangle Lover
• Triangle Fraternity
• The Triangle
• pink triangle
• Bermuda Triangle
• black triangle
• triangle
• Pascal's Triangle
• fire triangle
• Isosceles Triangle
• formula triangle
• The Triangle method of classifying things
• Triangle Boy
• Triangle Shirtwaist Factory
• The Pythagorean Theorem: A Vast Right Triangle Conspiracy?
• equilateral triangle
• Impossible triangle
• Hero's formula for the area of a triangle
• Love Triangle
• Cobra Triangle
• Malfatti's right triangle problem
• PostScript Code to Draw A Sierpinski Triangle
• triangle inequality
• 3-4-5 triangle
• Palliser's Triangle
• Stuffed tofu triangles
• Cheese triangle objectivism

If you Log in you could create a "Triangles & Rhombuses" node. If you don't already have an account, you can register here.