2012 · Q12
Consider the following statements: If two straight lines intersect, then:
- 1vertically opposite angles are equal.
- 2vertically opposite angles are supplementary.
- 3adjacent angles are complementary.
Which of the statements given above is/are correct?
Elementary MathematicsGeometry
- A3 only
- B1 only
- C1 and 3
- D2 and 3
Explanation
Only statement 1 is true; vertically opposite angles are equal, and adjacent angles are supplementary, not complementary.