Question

In the figure, line 1 || line m || line
n. Lines p and q are the
transversals. From the given
information, find ST.​

Answer 1

ANSWER

40

∘

+u=180

∘

⇒u=140

∘

ω+u=180

∘

⇒ω=180°−u

=40°

∠z=70°(vertically opposite angles)

∠y+∠z=180°

⇒∠y=180°−∠z

180°−70°

=110°

⇒ω+x=180

∘

∴x=140

∘