: a triangle in which two sides have the same length
Examples of isosceles triangle in a Sentence
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The triangle’s vertices are formed by the stars Deneb, Vega, and Altair, forming a celestial isosceles triangle that’d make Euclid proud, that spans the constellations Cygnus, Lyra, and Aquila.—Tom Hawking, Popular Science, 31 July 2025 The trio will appear to form a broad isosceles triangle with Venus marking the vertex angle, while Aldebaran and the moon form the base of the triangle.—Joe Rao, Space.com, 18 July 2025 The only obstacle is that this hunk is her best friend Lady Danbury’s (Adjoa Andoh) estranged brother, forming an odd isosceles triangle of Regency relations.—Devon Ivie, Vulture, 14 June 2024
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