R = {(x ,y) and x, y belongs to Q , x = 1 / y} Check reflexive, symmetric and transitive .

“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 .

Provide an equation