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...

In discrete geometry, an isosceles set is a set of points with the property that every three of them form an isosceles triangle. More precisely, each three...

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...

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...

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...

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...

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...

with. The skinny triangle finds uses in surveying, astronomy, and shooting. The approximated solution to the skinny isosceles triangle, referring to figure...

an isosceles triangle approaches 180°, and with the right inequality approaching equality only as the obtuse angle approaches 90°. If the triangle is...

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...

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...

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

different placements for the largest square that it contains. It is an isosceles triangle which is obtuse with an irrational but algebraic ratio between the...

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...

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

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

isosceles triangles can have different base angles. If two angles of a triangle have measures equal to the measures of two angles of another triangle...

}}=\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...

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...

lozenge  Antigua and Barbuda — isosceles triangle pointing downwards  Bosnia and Herzegovina — right-angled triangle pointing downwards  The Red Crystal...

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...