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# equilateral angles definition

### Definition of Equilateral Triangle - Math is Fun

Definition of . Equilateral Triangle. more ... A triangle with all three sides of equal length. All the angles are 60° ...

### Equilateral - math word definition - Math Open Reference

Since the angles are the same and the internal angles of any triangle always add to 180°, each is 60°. The area of an equilateral triangle can be calculated in the usual way , but in this special case of an equilateral triangle, it is also given by the formula where S is the length of any one side.

### What is an Equilateral Triangle? - Definition, Properties ...

Definition. Here's an example of an equilateral triangle You'll notice that along with this triangle's sides, its three angles are also all equal. Since the sum of a triangle's angles is always 180 degrees, each angle in an equilateral triangle must measure 60 degrees. This is because we must divide 180 degrees evenly between the three angles 180 / 3 = 60.

### Equilateral Triangle Perimeter and Area of Equilateral ...

Oct 15, 2018 · The equilateral triangle is also defined as that regular polygon of three sides and equiangular at the same time (same angles). According to the types of triangles, the equilateral triangle belongs to the class «according to its sides» as well as the isosceles triangle and scalene triangle.

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### Equilateral Definition of Equilateral at Dictionary

Each of these consists of a solid red triangle, isosceles or equilateral, with sides of 15-20 mm. Mohave Pottery Alfred L. Kroeber The fixed star formed with Jupiter and the most easterly satellite an equilateral triangle, as in the figure.

### Equilateral parallelogram - definition of Equilateral ...

[Late Latin, from Greek rhombos, bullroarer, lozenge-shaped flatfish, rhombus (a rhombus being so called in reference to lozenge-shaped wooden slat of a bullroarer), from rhembesthai, to roll about, go round and round; see2 in the Appendix of Indo-European roots.] American Heritage® Dictionary of the English Language, Fifth Edition.

### What are examples of equilateral obtuse triangles? - Quora

Mar 31, 2016 · By the base angles theorem every equilateral triangle is also equiangular. By the triangle angle sum theorem the three angles add to 180°. By the substitution and division properties each of the angles are 60°. By the definition of an obtuse angle, none of the angles in an equilateral …

Can an obtuse triangle and an acute triangle be similar ...Jan 28, 2019Obtuse Triangles - QuoraMay 08, 2018What are the properties of obtuse triangles?Aug 27, 2017What is an example of a real life equilateral triangle ...Dec 23, 2016See more results

### What is an Equilateral Triangle? - Definition, Properties ...

Definition. Here's an example of an equilateral triangle You'll notice that along with this triangle's sides, its three angles are also all equal. Since the sum of a triangle's angles is always 180 degrees, each angle in an equilateral triangle must measure 60 degrees. This is because we must divide 180 degrees evenly between the three angles 180 / 3 = 60.

### Equilateral Triangle Perimeter and Area of Equilateral ...

The equilateral triangle is also defined as that regular polygon of three sides and equiangular at the same time (same angles). According to the types of triangles, the equilateral triangle belongs to the class «according to its sides» as well as the isosceles triangle and scalene triangle.

### Equilateral Triangle Definition of Equilateral Triangle ...

Definition of equilateral triangle. mathematics. a triangle in which all three sides are the same length.

### Equilateral parallelogram - definition of Equilateral ...

[Late Latin, from Greek rhombos, bullroarer, lozenge-shaped flatfish, rhombus (a rhombus being so called in reference to lozenge-shaped wooden slat of a bullroarer), from rhembesthai, to roll about, go round and round; see2 in the Appendix of Indo-European roots.] American Heritage® Dictionary of the English Language, Fifth Edition.

### What does equilateral mean? - Definitions.net

Wiktionary (0.00 / 0 votes) Rate this definition:. equilateral (Noun). An equilateral triangle. equilateral (Adjective). Referring to a polygon all of whose sides are of equal length. Not necessarily a regular polygon since the angles can still differ (a regular polygon would also be equiangular).

### What are examples of equilateral obtuse triangles? - Quora

Apr 01, 2016 · An isosceles triangle has two sides of equal length; the angle opposite the third side can be obtuse, and one is all it needs to be called an obtuse triangle. In the real world space is not Euclidean (in case that is what you meant). Straight lines in the Euclidean sense do not exist, and an equilateral isosceles triangle can exist.

### Triangles - Equilateral, Isosceles and Scalene

Equilateral, Isosceles and Scalene. There are three special names given to triangles that tell how many sides (or angles) are equal. There can be 3, 2 or no equal sides/angles:

### Types of Triangles Acute, Right, Obtuse, Scalene ...

This song's about classifying types of triangles by sides & angles. Learn the definitions of acute, right, obtuse, scalene, isosceles, equilateral triangles

### EQUILATERAL definition in the Cambridge English Dictionary

An equilateral triangle of side 30, would have a half side of length 15 and an altitude close to 26 in height. From Cambridge English Corpus The first par t evaluated a person's ability to identify 20 equilateral triangles as either red or green.

### Equilateral triangles definition of Equilateral ...

The symbol is an equilateral triangle formed from seven equilateral triangles. UTEK Corporation Now Doing Business as Innovaro Let us investigate this link by considering polygonal numbers using a growing pattern of successive regular polygons, which are equilateral triangles , squares, pentagons, hexagons and so on.

### Why Are the Angles of Equilateral Triangles Always Equal ...

Why Are the Angles of Equilateral Triangles Always Equal to 60°? Why Are the Angles of Equilateral Triangles Always Equal to 60°? Note Did you know that the interior angles of an equilateral triangle will always measure the same, no matter the size of the equilateral triangle? In this tutorial, you'll see how to find the measurements of the ...

### How to construct an equilateral triangle inscribed in a ...

How to construct (draw) an equilateral triangle inscribed in a given circle with a compass and straightedge or ruler. This is the largest equilateral that will fit in the circle, with each vertex touching the circle. This is very similar to the construction of an inscribed hexagon, except we use every other vertex instead of all six. A Euclidean construction.

### Equilateral Triangle Calculator - Omni

all three internal angles are congruent to each other and all of them are equal to 60°; the altitudes, the angle bisectors, the perpendicular bisectors and the medians coincide. The equilateral triangle is a special case of an isosceles triangle having not just two, but all three sides equal.

### What does equilateral mean? definition and meaning (Free ...

Definition of equilateral in the AudioEnglish Dictionary. Meaning of equilateral. What does equilateral mean? Proper usage of the word equilateral. Information about equilateral in the AudioEnglish dictionary, synonyms and antonyms.