Question

3. In the adjoining figure. line p || line q.
line 1 || line m. Find measures of
a, b, and c, using the
measures of given angles. Justify
your answers.​

Answer 1

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

∘