Find the values of A, B, and C for which Ax+By=C is a horizontal line
through the point (9. 3). Show
your steps and/or explain your
reasoning

“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 .