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...

Reuleaux triangle into an inner equilateral triangle and three curvilinear regions between this inner triangle and the arcs forming the Reuleaux triangle, and...

possible equilateral triangle which an amount n of unit circles can be packed into? More unsolved problems in mathematics Circle packing in an equilateral triangle...

Sierpiński triangle, also called the Sierpiński gasket or Sierpiński sieve, is a fractal with the overall shape of an equilateral triangle, subdivided...

hexagon can also be considered as the cutting off the vertices of an equilateral triangle, which can also be denoted as t { 3 } {\displaystyle \mathrm {t}...

of those equilateral triangles themselves form an equilateral triangle. The triangle thus formed is called the inner or outer Napoleon triangle. The difference...

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

In geometry, an equilateral polygon is a polygon which has all sides of the same length. Except in the triangle case, an equilateral polygon does not need...

including the equilateral triangle as a special case. Examples of isosceles triangles include the isosceles right triangle, the golden triangle, and the faces...

in any triangle, the three points of intersection of the adjacent angle trisectors form an equilateral triangle, called the first Morley triangle or simply...

case is the regular octahedron, a Platonic solid composed of eight equilateral triangles, four of which meet at each vertex. Many types of irregular octahedra...

puzzle writer Henry Dudeney in 1902. It seeks a dissection from equilateral triangle into a square. Dudeney provided a hinged dissection with four pieces...

geometry can for example be defined as the length of a side of an equilateral triangle with fixed angles. The length scale is most convenient if the lengths...

transforms the given triangle into an equilateral triangle, and that the distances from the isodynamic point to the triangle vertices are inversely proportional...

as a corollary a theorem regarding an equilateral triangle inscribed in a circle. Given An equilateral triangle inscribed on a circle, and a point on...

only such triangles are rational-sided equilateral triangles. Any triple of positive integers can serve as the side lengths of an integer triangle as long...

(tesseract). Radially equilateral polytopes are those that can be constructed, with their long radii, from equilateral triangles which meet at the center...

Similarly, if a polyiamond tiles an equilateral triangle, it will also be a rep-tile. A right triangle is a triangle containing one right angle of 90°....

polyhedron. Still, the two triangles are different sizes, and the sides are slanted trapezoids. If the base is equilateral and the lateral faces are square...

an equilateral triangle, and each successive stage is formed by adding outward bends to each side of the previous stage, making smaller equilateral triangles...

equal horizontal stripes, alternating from red to white, with a blue equilateral triangle based on the hoist side bearing a large, sharp, upright, five-pointed...

fail to qualify as triangle centers. For an equilateral triangle, all triangle centers coincide at its centroid. However the triangle centers generally...

by the two shoulders and the pubis. The shape forms an inverted equilateral triangle with the heart at the center. It is named after Willem Einthoven...

forms the first step in constructing an equilateral triangle using a compass and straightedge. The triangle has as its vertices the two disk centers...

can both be called regular icosahedra. Each has 30 edges and 20 equilateral triangle faces with five meeting at each of its twelve vertices. Both have...

one side of an ideal triangle to the closer of the other two sides: this distance, the side length of the equilateral triangle formed by the points of...

the 30°–60°–90° triangle, and the equilateral/equiangular (60°–60°–60°) triangle are the three Möbius triangles in the plane, meaning that they tessellate...

coinciding with part of the triangle's longest side. The Calabi triangle, an obtuse triangle, shares with the equilateral triangle the property of having three...

Overlapping the Philippine sun is a red equilateral triangle. Inside and at the center of the equilateral triangle is the traditional golden-yellow sea lion...

points with such distances cannot exist: the area of the 26–26–26 equilateral triangle ABC is 169 3 {\textstyle 169{\sqrt {3}}} , which is larger than three...