Question

There are four lines such that, line $l_1\parallel l_2$, line $l_3\perp l_1$ and line $l_4\perp l_3$ then which of the following option(s) is/are true?

• A. $l_1\parallel l_4$
• B. $l_2\parallel l_4$
• C. $l_3\perp l_2$
• D. $l_1\perp l_4$

Answer 1

Answer: (A), (B), (C)

$l_3\perp l_2$

So, $l_1\parallel l_4$; $l_2\parallel l_4$; $l_3\perp l_2$