Rewrite using the
distributive property :
45 + 9

Just divide the x axis (the top) by 2 or multiply the y axis (the bottom) by 2

“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 .