Triangle/Related Articles

See also changes related to Triangle, or pages that link to Triangle or to this page or whose text contains "Triangle".

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Parent topics

• Geometry [r]: The mathematics of spacial concepts. ^[e]

Subtopics

• Equilateral triangle [r]: A triangle with three equal sides and three equal angles. ^[e]
• Isosceles triangle [r]: A triangle that has two sides of equal length and two angles of the same degree. ^[e]
• Obtuse triangle [r]: A triangle that has one angle which is greater than 90 degrees. ^[e]
• Acute triangle [r]: A triangle that has all three angles less than 90 degrees. ^[e]
• Right triangle [r]: A triangle that has one 90 degree angle. ^[e]

Other related topics

• Triangle geometry [r]: Add brief definition or description