equilateral triangle

noun

mathematics

: a triangle in which all three sides are the same length

Examples of equilateral triangle in a Sentence

Recent Examples on the Web

On spherical surfaces, such as that of Earth, an equilateral triangle can consist of three right angles, for instance. — Manon Bischoff, Scientific American, 23 May 2026

So too an equilateral triangle of bright stars; Procyon in Canis Minor, reddish Betelgeuse in Orion and Sirius in Canis Major. — Jamie Carter, Space.com, 14 Apr. 2026

Fold up sides of each circle to form an equilateral triangle with about 3-inch-long, 1-inch-tall sides, pinching together corners to seal. — Marianne Williams, Southern Living, 25 Feb. 2026

Consider the symmetries of the equilateral triangle. — Leila Sloman, Quanta Magazine, 3 Dec. 2025

Rhymes for equilateral triangle

• angle
• bangle
• dangle
• jangle
• mangle
• strangle
• tangle
• wrangle
• disentangle
• entangle
• quadrangle
• untangle