why do angles in a triangle add up to 180 degrees

why do angles in a triangle add up to 180 degrees. There are some references to why do angles in a triangle add up to 180 degrees in this article. If you are looking for why do angles in a triangle add up to 180 degrees you've came to the right place. We have posts about why do angles in a triangle add up to 180 degrees. You can check it out below.