Question

In the fig. pq//rs Find x​

Answer 1

50°

i hope u will understand

Answer 2

first draw a line ot parallel to PQ and RS from o.

PQ||ot

so, 120+ angle pot= 180 (co interior)

angle pot= 60

RS||ot

so, 140+ angle rot= 180

angle rot= 40

X= 60+40= 100