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...

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...

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

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

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/...

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...

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...

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...

Weaver stance. The Isosceles Stance is a two-handed technique in which the dominant hand's fingers grip the pistol directly (the Isosceles Grip is not recommended...

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...

which has never been dedicated for public purposes." The plaque is an isosceles triangle, with a 25+1⁄2-inch (65 cm) base and 27+1⁄2-inch (70 cm) legs (sides)...

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...

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

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...

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

not go through its incenter unless the triangle is isosceles.: p.231  For all non-isosceles triangles, the distance d from the incenter to the Euler line...

the triangle. The altitudes are also related to the sides of the triangle through the trigonometric functions. In an isosceles triangle (a triangle with...

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...

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...

a cerulean blue field charged with a golden triangle in front of a white-edged black isosceles triangle. Adopted in 1967 to replace the British Blue...

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...

a triangle function, hat function, or tent function) is a function whose graph takes the shape of a triangle. Often this is an isosceles triangle of...

"the other two sides". If the catheti of a right triangle have equal lengths, the triangle is isosceles. If they have different lengths, a distinction can...

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;...

vertex, and they all intersect at the triangle's centroid. In the case of isosceles and equilateral triangles, a median bisects any angle at a vertex...

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

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...