Which point is in the solution set of the given system of inequalities? x+y>2
4x+y2-1
A) (2,0)
B) (0,2)
C) (0,3)
D) ( 0,-1)

Yes, two vertical lines can be complementary

“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 .