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File:Equilateral with side 2.svg - Wikimedia Commons
Category:Green triangles - Wikimedia Commons
Shape Equilateral triangle Green Equilateral polygon, baby card
Napoleon's theorem - Wikipedia
Square - Wikipedia
File:Academ Periodic tiling by hexagons and other regular polygons
Angle trisection - Wikipedia
Paramount Pictures - Wikiwand
File:Green equilateral triangle point up.svg - Wikimedia Commons