Question

what do you mean by triangle​

Answer 1

Answer:

A triangle is a polygon with 3 sides, 3 vertices, 3 angles. The sum of its interior angles is 180 degree.

Answer 2

Answer:

triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry. A triangle with vertices A, B, and C is denoted . In Euclidean geometry any three points, when non-collinear, determine a unique triangle and simultaneously, a unique plane (i.e. a two-dimensional Euclidean space).