Question

hello friends

Pls help me to solve this

with full explanation

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Answer 1

Answer:

hope it will help you

jai hind

Answer 2

Answer:

Let 120º+x be ∠1

∠1 = ∠2 ∴ corresponding angles are=

∠2 = 120º+x

DC is a straight line

⇒ x + ∠2 = 180º

⇒ x+120º+x = 180º

⇒ 2x = 180º - 120º

⇒ 2x = 60º

$x = \frac{60º}{2} = 30º$