Question

what is triangle and it's properties?​ ​

Answer 1

Answer:

A triangle has three sides, three angles, and three vertices. The sum of all internal angles of a triangle is always equal to 180°. 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.

Step-by-step explanation:

Answer 2

Answer:

1 brainlist pls ❤️

Step-by-step explanation:

A triangle has three sides, three angles, and three vertices. The sum of all internal angles of a triangle is always equal to 180°. 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.