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111.211 Individual percussion sticks. The triangle is a musical instrument in the percussion family, classified as an idiophone in the Hornbostel-Sachs classification system. Triangles are made from a variety of metals including aluminum, beryllium copper, brass, bronze, iron, and steel. The metal is bent into a triangular shape with one open end.
Media controls on a multimedia keyboard. From top; left to right: skip backward, skip forward, stop, play/pause. Media control symbols are commonly found on both software and physical media players, remote controls, and multimedia keyboards. Their application is described in ISO/IEC 18035. [1]
The Dayton Triangles were an original franchise of the American Professional Football Association (now the National Football League (NFL)) in 1920. The Triangles were based in Dayton, Ohio, and took their nickname from their home field, Triangle Park, which was located at the confluence of the Great Miami and Stillwater Rivers in north Dayton.
Irish, Nard. Origin: = 17th-century England. Descended from: Irish. Backgammon is a two-player board game played with counters and dice on tables boards. It is the most widespread Western member of the large family of tables games, whose ancestors date back nearly 5,000 years to the regions of Mesopotamia and Persia.
Karpman drama triangle. The Karpman drama triangle is a social model of human interaction proposed by San Francisco psychiatrist Stephen B. Karpman in 1968. The triangle maps a type of destructive interaction that can occur among people in conflict. [1] The drama triangle model is a tool used in psychotherapy, specifically transactional analysis.
A triangle with one interior angle measuring more than 90° is an obtuse triangle or obtuse-angled triangle. If c is the length of the longest side, then a 2 + b 2 < c 2, where a and b are the lengths of the other sides. A triangle with an interior angle of 180° (and collinear vertices) is degenerate. A right degenerate triangle has collinear ...
The missing square puzzle is an optical illusion used in mathematics classes to help students reason about geometrical figures; or rather to teach them not to reason using figures, but to use only textual descriptions and the axioms of geometry. It depicts two arrangements made of similar shapes in slightly different configurations.
Rack (billiards) A rack (sometimes called a triangle) is a piece of equipment that is used to place billiard balls in their starting positions at the beginning of a pocket billiards game. Rack may also be used as a verb to describe the act of setting billiard balls in their starting positions (e.g. "to rack the balls"), or as a noun to describe ...