Will crown brainliest, give superb rating, and ! (there are 2! )

They are supplementary angles. If you add both degree values up you get 180, which is the value you need to have supplementary angles. Hope this helped :))

The answer simplified would be. -6300x

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .