### Equilateral triangle

Equilateral triangle is a polygon composed by 3 equal sides and equal all
interior angles. The polygon is a closed plane figure composed by a non specified number of straight line segments that join in pairs at
their endpoints. So, the equilateral triangle is a polygon with three equal sides.

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### Related Topics

Right Triangle Isosceles Triangle Equilateral Triangle Scalene Triangle Square Rectangle Trapezium Right-Angled Trapezoid Isosceles Trapezoid Rhombus Regular polygon Polygon names Circle Pyramid Triangle pyramid Square pyramid Rectangular pyramid Cube Prism Rectangle Prism Cone Cylinder Sphere Ellipse Parabola Hyperbola