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 them, also …

A triangle is a three-sided polygon that has 3 angles, and 3 vertices. Learn the definition of triangles, their types, parts, properties using a variety of examples.

The meaning of TRIANGLE is a polygon having three sides. How to use triangle in a sentence.

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 are the …

There are three special names given to triangles that tell how...

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

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.

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 steel triangle, …

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

Jul 23, 2025 · A triangle is a polygon with three sides (edges), three vertices (corners), and three angles. It is the simplest polygon in geometry, and the sum of its interior angles is always 180°. A triangle is …