A triangle is a polygon with three corners and three sides, one of the basic shapes in geometry. The corners, also called vertices, are zero- dimensional points while the sides connecting …

Triangle A triangle is a closed shape with 3 angles, 3 sides, and 3 vertices. A triangle with three vertices P, Q, and R is represented as PQR. The most commonly seen examples of triangles …

Dec 7, 2016 · The meaning of TRIANGLE is a polygon having three sides. How to use triangle in a sentence.

TRIANGLE definition: a closed plane figure having three sides and three angles. See examples of triangle used in a sentence.

What are Triangles? A triangle is a closed, 2-dimensional shape with 3 sides, 3 angles, and 3 vertices. A triangle is also a polygon. The above figure is a triangle denoted as ABC. Some …

A triangle is a shape with three sides. The cloth was decorated with triangles of different colours. We cut some triangles of cheese. To make a star, put two triangles together. Her earrings …

Dec 5, 2025 · A triangle is a three-sided polygon, formed by three line segments, whose end points intersect at points known as the vertices.

Definition of triangle noun from the Oxford Advanced Learner's Dictionary. a flat shape with three straight sides and three angles; a thing in the shape of a triangle. Cut the sandwiches into …

1. a closed plane figure having three sides and three angles. 3. any three-cornered or three-sided figure, object, or piece: a triangle of land. 4. a musical percussion instrument that consists of a …

Jul 23, 2025 · It is the simplest polygon in geometry, and the sum of its interior angles is always 180°. A triangle is formed by three line segments (edges) that intersect at three vertices, …