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 …

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

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.

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.

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 …

It is usual to name each vertex of a triangle with a single capital (upper-case) letter. The sides can be named with a single small (lower case) letter, and named after the opposite angle.

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 …

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

5 days ago · A regular triangle, the geometric shape. A triangle, the musical instrument. The triangles, a whipping post formed by three poles.

Illustrated definition of Triangle: A 3-sided flat shape with straight sides. It is a polygon. Try the app below: