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I need help with this please give me reason and explain pls​

I need help with this please give me reason and explain pls​-example-1

1 Answer

4 votes

Answer: 18º

Explanation:

a + 126º = 180º (adj. ∠s on st. line)

a = 54º

Let the adjacent angle next to b be c.

a + c = 180º (int. ∠, AB//CD)

54º + c = 180º

c = 126º

108º + x = 126º (ext. ∠ of Δ)

x = 18º

User Gireesh Punathil
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