A Reuleaux triangle [ʁœlo] is a curved triangle with constant width, the simplest and best known curve of constant width other than the circle. It is...

prototypical example, the Reuleaux triangle, which in turn, is named after 19th-century German engineer Franz Reuleaux. The Reuleaux triangle can be constructed...

named by analogy to the Reuleaux triangle, a two-dimensional curve of constant width; both shapes are named after Franz Reuleaux, a 19th-century German...

best remembered for the Reuleaux triangle, a curve of constant width that he helped develop as a useful mechanical form. Reuleaux was born in Eschweiler...

shapes by Leonhard Euler. Standard examples are the circle and the Reuleaux triangle. These curves can also be constructed using circular arcs centered...

twin circles Bankoff circle Circular triangle Reuleaux triangle Circumcircle Disc Incircle and excircles of a triangle Nine-point circle Circular sector...

polygon, a curve of constant width Reuleaux triangle, a Reuleaux polygon with three sides Reuleaux heptagon, a Reuleaux polygon with seven sides that provides...

triangle is a triangle with circular arc edges. The intersection of three circular disks forms a convex circular triangle. For instance, a Reuleaux triangle...

using rotating calipers. For a curve of constant width such as the Reuleaux triangle, the width and diameter are the same because all such pairs of parallel...

three circles can also be used to form the triquetra symbol, and the Reuleaux triangle. In Christian art, some aureolas are in the shape of a vertically...