Two straight lines, AB and CD, are on the same plane.
One, but only one, of the following statements is true:
AB and CD are parallel
AB and CD are not perpendicular
AB and CD intersect
Which statement is it?
Two straight lines, AB and CD, are on the same plane.
One, but only one, of the following statements is true:
AB and CD are parallel
AB and CD are not perpendicular
AB and CD intersect
Which statement is it?