Question

Tell me all rules of Traingle​

Answer 1

Answer:

Properties of a triangle

• A triangle has three sides, three angles, and three vertices.
• The sum of all internal angles of a triangle is always equal to 1800. This is called the angle sum property of a triangle.
• The sum of the length of any two sides of a triangle is greater than the length of the third side.

Answer 2

Answer:

triangle

triangleThe triangle inequality states that the sum of the lengths of any two sides of a triangle must be greater than or equal to the length of the third side. That sum can equal the length of the third side only in the case of a degenerate triangle, one with collinear vertices.