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Equilateral vs. Equiangular Polygons | Definition & Shapes
An equilateral polygon, however, is composed of sides of the same length, while an equiangular polygon is composed of equal, or congruent, interior angles. Equilateral Polygon Definition.

Equilateral Triangle | Definition, Properties & Measurements
An equilateral triangle has three equal sides and three equal angles. To remember this, think of the prefix "equi-" as equal and "-lateral" as sides , meaning all sides are equal. Since the ...

How to Inscribe an Equilateral Triangle in a Circle
Equilateral triangle: A triangle with equal side lengths. A geometric argument demonstrates that the three angles in an equilateral triangle are also equal in measure. Because the sum of angles in ...

Area of an Equilateral Triangle | Formula, Calculation & Examples
An equilateral triangle is a triangle with three equal sides. In an equilateral triangle, all of the angles will also be equal as well. Since there are {eq}180^\circ {/eq} in a triangle, the three ...

Equilateral Triangle Lesson for Kids: Definition & Properties
The Three Musketeers are a trio of 3-sided figures known as triangles - equilateral, isosceles, and scalene. They are shape superheroes because, for each triangle, the three sides combined make a ...

How to Identify Scalene, Isosceles & Equilateral Triangles from ...
Equilateral Triangle: An equilateral triangle is a triangle whose three sides all have the same length, and all three angles have the same value of {eq}60^{\circ} {/eq}.

Sierpinski Triangle | Definition, Pattern & Formula - Study.com
All of this leads to a more precise definition of the Sierpinski Triangle: it is a self-similar fractal that results from removing the triangle connecting the three midpoints of an equilateral ...

How to divide an equilateral triangle into three equal parts
In an equilateral triangle ABC, the midpoints of the sides are labelled D, E and F. Prove that triangle DEF is an equilateral triangle. Two sides of an equilateral triangle are 3x +15 and x + 21. What could be the measure of the third side? Find the measure of each side of equilateral triangle RST with RS = 2x + 2, ST = 3x, and TR + 5x - 4.

How to Inscribe an Equilateral Regular Hexagon in a Circle
Equilateral Regular Hexagon: An equilateral regular hexagon is a 6-sided polygon with equal sides that, when connected opposite vertex to opposite vertex, form 6 equilateral triangles. The sum of ...

How can you prove a triangle is an equilateral triangle?
In mathematics, an equilateral triangle is a triangle in which all of its sides have equal length. When given the vertices of a triangle, proving that it is an equilateral triangle involves a well-known formula called the distance formula, which states that the distance between two points, ( x 1 , y 1 ) and ( x 2 , y 2 ) is {eq}\sqrt{(x_{2}-x ...