Question

what is triangle ????​

Answer 1

Answer:

a shape with 3 sides are called triangle

hope it helps you ❣️

Answer 2

Answer:

Step-by-step explanation:

A 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 \triangle ABC. In Euclidean geometry, any three points, when non-collinear, determine a unique triangle and simultaneously, a unique plane.

Area: ½ × base × height

Perimeter: sum of side lengths of the triangle

Number of vertices: 3

Number of edges: 3

Internal angle: 60° (for equilateral)

Sum of interior angles: 180°

Line of symmetry: 3

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