WAEC - Mathematics (1997 - No. 21)
Which of the following statements is/are true when two straight lines intersect?
I. Adjacent angles are equal II. Vertically opposite angles are equal III. Adjacent angles are supplementary
I. Adjacent angles are equal II. Vertically opposite angles are equal III. Adjacent angles are supplementary
II only
I and III only
II and III only
I, II and III
I and II