Examples of equilateral triangle in a Sentence
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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
Few people today, however, likely know what the letters YMCA stand for, much less what the familiar red equilateral triangle represents.
—Richard Selcer, Fort Worth Star-Telegram, 15 Nov. 2025
Each section is an equilateral triangle — each side the same length.
—Kurt Snibbe, Oc Register, 28 Oct. 2025
Each of these numbers have been made proportional to the area of an equilateral triangle, the sides of which are calculated using a simple formula.
—Vipin Bharathan, Forbes.com, 13 Sep. 2025
The arrangement of this array mimics the fractal known as the Sierpiński gasket, which has the overall shape of an equilateral triangle divided into smaller identical triangles as well as triangular holes.
—IEEE Spectrum, 4 Aug. 2020
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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
Few people today, however, likely know what the letters YMCA stand for, much less what the familiar red equilateral triangle represents.
—Richard Selcer, Fort Worth Star-Telegram, 15 Nov. 2025
Each section is an equilateral triangle — each side the same length.
—Kurt Snibbe, Oc Register, 28 Oct. 2025
Each of these numbers have been made proportional to the area of an equilateral triangle, the sides of which are calculated using a simple formula.
—Vipin Bharathan, Forbes.com, 13 Sep. 2025
The arrangement of this array mimics the fractal known as the Sierpiński gasket, which has the overall shape of an equilateral triangle divided into smaller identical triangles as well as triangular holes.
—IEEE Spectrum, 4 Aug. 2020
Cite this Entry
“Equilateral triangle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/equilateral%20triangle. Accessed 1 Jun. 2026.
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