Question

what are properties of angle? ​

Answer 1

Answer:

properties of angle:-The sum of all the angles on one side of a straight line is always 180 degrees.

For example: The sum of ∠1, ∠2, and ∠3 is 180 degrees.

Answer 2

Answer:

Ancient mathematicians introduced the concept of lines to represent straight objects which had negligible width and depth. Considered as a breadth less length by Euclid, lines form the basis of Euclidean geometry.