mathematical study of isosceles triangles dates back to ancient Egyptian mathematics and Babylonian mathematics. Isosceles triangles have been used as decoration...

namely ⁠√2/4⁠.: p.282  Triangles with these angles are the only possible right triangles that are also isosceles triangles in Euclidean geometry. However...

geometry, the theorem that the angles opposite the equal sides of an isosceles triangle are themselves equal is known as the pons asinorum (/ˈpɒnz ˌæsɪˈnɔːrəm/...

the triangle inequality for distances in plane geometry using the construction in the figure. Beginning with triangle ABC, an isosceles triangle is constructed...

A golden triangle, also called a sublime triangle, is an isosceles triangle in which the duplicated side is in the golden ratio φ {\displaystyle \varphi...

the equilateral triangle is a regular polygon, occasionally known as the regular triangle. It is the special case of an isosceles triangle by modern definition...

triangle formed by two diagonals and a side of a regular pentagon is called a golden triangle or sublime triangle. It is an acute isosceles triangle with...

larger one. The gnomon is itself isosceles if and only if the ratio of the sides to the base of the original isosceles triangle, and the ratio of the base to...

Euclid. Equilateral triangle Isosceles triangle Scalene triangle Right triangle Acute triangle Obtuse triangle All types of triangles are commonly found...

Eritrea 1:2 1995 — Red isosceles triangle (based on the hoist side) dividing the flag into two right triangles; the upper triangle is green, the lower one...

Winter Triangle is an astronomical asterism formed from three of the brightest stars in the winter sky. It is an imaginary isosceles triangle drawn on...

right triangle is half of a rectangle which has been divided along its diagonal. When the rectangle is a square, its right-triangular half is isosceles, with...

isosceles triangle, from (Maxwell 1959, Chapter II, § 1), purports to show that every triangle is isosceles, meaning that two sides of the triangle are...

same triangle characterize it in terms of the three Pythagorean means of two numbers, or via the inradius of isosceles triangles. This triangle is named...

of brotherhood and they allow a woman into their relationship, an isosceles triangle is created" automatically, as "in Truffaut's film Jules et Jim". René...

up isosceles in Wiktionary, the free dictionary. An isosceles triangle is a triangle with two equal sides. Isosceles may also refer to: Isosceles (band)...

line only for isosceles triangles, for which the Euler line coincides with the symmetry axis of the triangle and contains all triangle centers. The tangential...

disphenoid are isosceles triangles, it is called a tetragonal disphenoid. In this case it has D2d dihedral symmetry. A sphenoid with scalene triangles as its...

}}=\varphi .} The pentagram includes ten isosceles triangles: five acute and five obtuse isosceles triangles. In all of them, the ratio of the longer...

and golden-yellow with white fimbriations and a red isosceles triangle at the hoist. The triangle is charged with a five-pointed gold star in its center...

also a right isosceles triangle. It also follows that FC = n − (m − n) = 2n − m. Hence, there is an even smaller right isosceles triangle, with hypotenuse...

parallelogram is not an isosceles trapezoid because of the second condition, or because it has no line of symmetry. In any isosceles trapezoid, two opposite...

side (and follow the flag's diagonals). The "Y" embraces a black isosceles triangle from which the arms are separated by narrow yellow or gold bands;...

white fleurs de lis and a gold castle, respectively, and a white isosceles triangle at the hoist, within which is a gold five-pointed star. It was designed...

when dealing with Isosceles Triangles (Soldiers and Workmen) with only two congruent sides. The smallest angle of an Isosceles Triangle gains 30 arc minutes...

icosahedron is an Archimedean dual solid, or a Catalan solid, with 60 isosceles triangle faces. Its dual is the truncated dodecahedron. It has also been called...

triangle is the building block for two isosceles Heronian triangles since the join can be along either leg. All pairs of isosceles Heronian triangles...

isosceles right triangle". Retrieved 2011-05-01. Xu, Y. (1996). "On the minimum distance determined by n (≤ 7) points in an isoscele right triangle"...

Village neighborhood of Manhattan, New York City. The plot is an isosceles triangle covered by a mosaic plaque that reads "Property of the Hess Estate...

by a red isosceles triangle based on the hoist-side pointed toward the fly-side and then divided into two right triangles. The upper triangle is green...