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Triangles - Equilateral, Isosceles and Scalene
Equilateral Triangle . Three equal sides Three equal angles, always 60° Isosceles Triangle . Two equal sides
Math Forum: Ask Dr. Math FAQ: Triangle Formulas
Formulas for finding the area, perimeter, etc. of a triangle.
Definition of Equilateral Triangle - Math Is Fun
Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.
Triangle - Wikipedia
By lengths of sides. Triangles can be classified according to the lengths of their sides: An equilateral triangle has all sides the same length. An equilateral ...
IXL - Construct an equilateral triangle inscribed in a ...
Fun math practice! Improve your skills with free problems in 'Construct an equilateral triangle inscribed in a circle' and thousands of other practice lessons.
Area of an equilateral triangle Calculator - High accuracy ...
Calculates the area, perimeter and height of an equilateral triangle given the side.
Nick's Mathematical Puzzles: 111 to 120 - qbyte.org
Mathematical puzzles, with hints, full solutions, and links to related math topics. Puzzles 111 to 120.
Equilateral Triangle Equations Formulas Calculator ...
Geometry calculator for solving the perimeter of an equilateral triangle given the length of a side
Icosahedron -- from Wolfram MathWorld
The (general) icosahedron is a 20-faced polyhedron (where icos- derives from the Greek word for "twenty" and -hedron comes from the Indo-European word for "seat").
Free Online Graph Paper / Triangle - incompetech
Not the graph paper you're looking for? Check out our many other free graph/grid paper styles from our main page here.