If one of the four angles formed by two intersecting lines is a right angle, then show that each of the four angles is a right angle.

If one of the angles of formed by two intersecting lines is a right angle then the lines are ___ to each other .

Show that each angle of a rectangle is a right angle.

Show that each angle of a rectangle is a right angle.

Show that each angle of a rectangle is a right angle.

Show that each angle of a rectangle is a right angle.

Show that each angle of a rectangle is a right angle.

If one of the angles formed by two intersecting lines is a right angle, what can you say about the other three angles? Give reasonf for your answer.