Question

if the sum of measure of angels in a figure is is 180 degree than the figure is a triangle plzz give me answer who will give nice answer I'll mark them brainlist Plzzzzzzzzzzzzzzzzzzzzz ​

Answer 1

Answer:

ok ok I m answering happy?

Explanation:

How do you prove that the sum of the angles in a triangle is 180?

Construction : Through A, draw a line l parallel to BC. Thus, the sum of three angles of a triangle is 180o.

Answer 2

Explanation:

In a Euclidean space, the sum of angles of a triangle equals the straight angle (180 degrees, π radians, two right angles, or a half-turn). A triangle has three angles, one at each vertex, bounded by a pair of adjacent sides.