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(geometry) a flat shape consisting of three straight sides and three angles
a percussion instrument which is basically a steel rod formed into an open triangle, producing sound when hit by a metal bar
What is a "triangle"?
A triangle is a small, metal percussion instrument shaped like a triangle with an open corner. It is played by striking the metal frame with a metal beater. The triangle produces a clear, bright, and resonant sound with a shimmering quality. It is often used in orchestras, bands, and various musical genres to add a delicate, ringing tone and enhance rhythm. The sound of the triangle is distinctive and can be heard clearly even in larger ensembles.
a geometric instrument consisting of three straight sides and three angles, commonly used to draw or measure angles and straight lines accurately
a small northern constellation near Perseus between Andromeda and Aries
something approximating the shape of a triangle
