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 ...

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.

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 ...

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 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 ...

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 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 ...

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 ...

Three charges are at the corners of an equilateral triangle, as shown ...
The charges are at the two corners of the equilateral triangle of side 25 cm. calculate the net electric potential at P of the system of charges 1nC=10^{-9}C 1cm =10^{-2}m; Three charges +q form an equilateral triangle with sides of length a = 4. Find the electric field at point P (the midpoint of the base of the triangle).