Question

in the given figure AB is parallel to CD. Find the value of x. ​

Answer 1

Step-by-step explanation:

c + 130 = 180°

c = 180-130

c=50°

c+20+x= 180

50+20 +x =180

x=180-70

x=110°

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Answer 2

Answer:

x = 110°

Step-by-step explanation:

Extend line AB & CD  such that line CD cuts AE at point S

In triangle SEC

∠S + ∠E = 130°    ( exterior angle property )

⇒ ∠S + 20° = 130°

⇒ ∠S = 130° - 20°

⇒ ∠S = 110°

AB ║ CD

∠x = ∠S  { Corresponding angles }

∠x = 110°