"triangle"的定义和意义

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.

What is a "triangle"?

A triangle is a tool with three straight sides and three angles, commonly used for drawing or measuring angles and straight lines accurately. These instruments, also known as set squares or drafting triangles, are often made of plastic or metal and are typically used in technical drawing, architecture, and engineering. The angles of the triangle are marked, allowing for precise measurements of right angles or other specific angles. Triangles are essential for tasks that require accurate alignment and angle construction.