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Equilateral Triangle
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Equilateral Triangle
Perimeter
Circumcircle of an
Equilateral Triangle
Equilateral Triangle
Area
Square
Incircle of an
Equilateral Triangle
Equilateral Triangle
Angles
Equilateral Triangle
Construction
Equilateral Triangle
Formula
Equilateral Triangle
Isosceles and
Equilateral Triangles
Symmetry
Circle
How to Draw an
Equilateral Triangle
Hexagon
Polygon
Trigonometry
Triangle
Pentagon
Pythagoras Theorem
Geometry
6:27
Khan Academy
Sal Khan
Isosceles & equilateral triangles problems
Isosceles triangles have two congruent sides and two congruent base angles. Equilateral triangles have all side lengths equal and all angle measures equal. We use these properties to find missing angles in composite figures. The problems are partly from Art of Problem Solving, by Richard Rusczyk.
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