Question

question
given ( l parallel m parallel n ), find the value of ( x ).
answer
attempt 1 out of 2
( x = ) input box submit answer

Explanation:

Step1: Identify supplementary angles

$x^\circ$ and $141^\circ$ are supplementary (they form a straight line, so their sum is $180^\circ$).

Step2: Solve for $x$

$x = 180 - 141$

Answer:

$39$