How many degrees do the 3 angles of any triangle add up to?

Responses

360°360 degrees - no response given

180°180 degrees - not selected, this is the correct answer

90°90 degrees - incorrect

180°

why is it 180?

The sum of the three interior angles of any triangle is always 180 degrees. This is a fundamental property of triangles based on the geometry of straight lines and angles. It can be proven mathematically, but it is also a well-known fact in geometry.