Is the following definition of perpendicular reversible? If yes, write it as a true biconditional.Two lines that intersect at

Question

Is the following definition of perpendicular reversible? If yes, write it as a true biconditional.Two lines that intersect at right angles are perpendicular.
Yes; if two lines are perpendicular,then they intersect at right angles.
Yes; if two lines intersect at right angles, then they are
perpendicular.
Yes; two lines intersect at right angles if (and only if) they are
perpendicular.
 The statement is not reversible.

Kunduz · Accepted Answer

Click to see the answer