Regular triangle definition

In geometry, an equilateral triangle is a triangle that has all its sides equal in length.

In geometry, a triangle with all equal sides is said to be an equilateral triangle. If we break the word equilateral, here "equi" refers to equivalent and "lateral" refers to sides. An equilateral triangle is also called a regular polygon with three sides equal. In this article, we will learn about the equilateral triangle, properties of equilateral triangle and formulas of an equilateral triangle. An Equilateral triangle is a triangle in which all three sides are equal and angles are also equal.

Regular triangle definition

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'equilateral triangle. Send us feedback about these examples. Accessed 24 Feb. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! See Definitions and Examples ». Cite this Entry Citation Share. Log In. Examples of equilateral triangle in a Sentence. Dictionary Entries Near equilateral triangle. Cite this Entry. Copy Citation. Post the Definition of equilateral triangle to Facebook Facebook. Share the Definition of equilateral triangle on Twitter Twitter. Love words? Need even more definitions?

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In geometry, an equilateral triangle is a triangle whose all three sides are of equal length. The sides of an equilateral triangle are congruent, which means that all sides are of equal length. All the interior angles are equal 60 degrees too. So, a triangle with equal sides is known as an equilateral triangle. The traces of triangles can be found all over the world, especially in construction. The ancient Egyptians were fond of them.

A triangle is a closed, 2-dimensional shape with 3 sides, 3 angles, and 3 vertices. A triangle is also a polygon. Some real-life examples of triangles include sandwiches, traffic signs, cloth hangers, and a rack in billiards. The above figures are non-examples of triangles. These shapes cannot be called triangles as —. Triangles can be classified based on the length of the sides or their angle measurements. To classify triangles according to their angles, we measure each of their interior angles. Triangles can be classified by angles, as:. The types of triangles based on the length of the sides are —.

Regular triangle definition

A triangle is a 3-sided polygon sometimes but not very commonly called the trigon. Every triangle has three sides and three angles, some of which may be the same. The sides of a triangle are given special names in the case of a right triangle , with the side opposite the right angle being termed the hypotenuse and the other two sides being known as the legs.

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Algebra App. A version of the isoperimetric inequality for triangles states that the triangle of greatest area among all those with a given perimeter is equilateral. Culture and Customs of Nicaragua. ISBN An equilateral triangle is easily constructed using a straightedge and compass , because 3 is a Fermat prime. As we have already discussed in the introduction, an equilateral triangle is a triangle that has all its sides equal in length. Then the resulting triangle approaches an equilateral triangle. An equilateral triangle is a regular polygon or a regular triangle. Related Worksheets. Contents move to sidebar hide.

An equilateral triangle is a triangle with all three sides of equal length , corresponding to what could also be known as a "regular" triangle.

Journal of Inequalities in Pure and Applied Mathematics. Three kinds of cevians coincide, and are equal, for and only for equilateral triangles: [7]. Q6 What is the different name of triangles based on sides? An equilateral triangle is also called a regular polygon with three sides equal. Therefore, it is also called an equiangular triangle , where each angle measure 60 degrees. Math worksheets and visual curriculum. Historical Dictionary of the Philippines. Example 3: What are the perimeter and semi perimeter of an equilateral triangle with side measurement as 12 units. The ancient Egyptians were fond of them. An equilateral triangle has some properties which define a triangle as an equilateral triangle.