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equilateral    
n. 等边形
a. 等边的

等边形等边的

equilateral
adj 1: having all sides or faces equal
n 1: a figure whose sides are all equal

Equilateral \E`qui*lat"er*al\, n.
A side exactly corresponding, or equal, to others; also, a
figure of equal sides.
[1913 Webster]


Equilateral \E`qui*lat"er*al\, a. [L. aequilateralis; aequus
equal latus, lateris, side: cf. F. ['e]quilat['e]ral.]
Having all the sides equal; as, an equilateral triangle; an
equilateral polygon.
[1913 Webster]

{Equilateral hyperbola} (Geom.), one whose axes are equal.

{Equilateral shell} (Zo["o]l.), one in which a transverse
line drawn through the apex of the umbo bisects the valve,
or divides it into two equal and symmetrical parts.

{Mutually equilateral}, applied to two figures, when every
side of the one has its equal among the sides of the
other.
[1913 Webster]


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  • Equilateral triangle - Wikipedia
    An equilateral triangle is a triangle in which all three sides have the same length, and all three angles are equal Because of these properties, the equilateral triangle is a regular polygon, occasionally known as the regular triangle
  • Equilateral Triangle: Definition, Properties, Formulas
    What is an equilateral triangle in geometry – its definition, properties, picture, and types along with formulas for area and perimeter
  • Triangles - Equilateral, Isosceles and Scalene
    There are three special names given to triangles that tell how
  • EQUILATERAL Definition Meaning - Merriam-Webster
    The standard polygons (many-sided geometrical shapes)—the pentagon, hexagon, octagon, etc —are assumed to be equilateral if we don't say otherwise; an equilateral rectangle has the special name square
  • Equilateral Triangle - Formula, Properties, Definition, Examples - Cuemath
    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
  • Equilateral — Definition, Formula Examples
    Equilateral means having all sides of equal length An equilateral triangle has three sides that are all the same length and three angles that are all the same size A polygon is equilateral if and only if all of its sides are congruent
  • EQUILATERAL | English meaning - Cambridge Dictionary
    EQUILATERAL definition: 1 used to describe a shape whose sides are all the same length: 2 used to describe a shape whose… Learn more
  • What is an Equilateral? - Interactive Mathematics
    An equilateral is a type of triangle that has three equal sides and three equal angles It’s one of the simplest shapes in geometry, and yet it’s so important for understanding other concepts in mathematics
  • Equilateral triangle - Math. net
    An equilateral triangle is also called an equiangular triangle since its three angles are equal to 60° In an isosceles triangle, the base angles are congruent Recall from above that an equilateral triangle is also an isosceles triangle Since DE≅EF, the base angles, ∠D and ∠F, are congruent
  • Properties of Equilateral Triangles | Brilliant Math Science Wiki
    An equilateral triangle is a triangle whose three sides all have the same length They are the only regular polygon with three sides, and appear in a variety of contexts, in both basic geometry and more advanced topics such as complex number geometry and geometric inequalities





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