Question

AB, CD, PQ and RS are 4 line segments.
(i) AB and CD are parallel.
(ii) PQ and RS are parallel.
(iii) AB is perpendicular to RS.
Then which of the following are true?

• A. AB is perpendicular to PQ
• B. CD is parallel to PQ
• C. CD is perpendicular to RS
• D. AB is parallel to RS

Answer 1

Answer: (A), (C)

The correct options are
A AB is perpendicular to PQ
C CD is perpendicular to RS

The orientation of the four lines given is as follows.

We can conclude that,
AB is perpendicular to RS and CD is perpendicular to PQ.