whats 3+4 PLSS HELP I have no idea I'm in a special class and I suck at math s could u guys help :)

“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 .