triangles
noun(tri-an-gle)
a polygon having three sides
triangles
noun(tri-an-gle)
a percussion instrument consisting of a rod of steel bent into the form of a triangle open at one angle and sounded by striking with a small metal rod
triangles
noun(tri-an-gle)
a drafting instrument consisting of a thin flat right-angled triangle of wood or plastic with acute angles of 45 degrees or of 30 degrees and 60 degrees
triangles
noun(tri-an-gle)
a system of numbers arranged in rows resembling a triangle with each row consisting of the coefficients in the expansion of (a + b)n for n = 0, 1, 2, 3, …
triangles
noun(tri-an-gle)
a triangle having a right angle
triangles
noun(tri-an-gle)
a spherical polygon of three sides