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Hii, I need help please !

Hii, I need help please !-example-1

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Answer:

∠ 6 = 59°

Explanation:

∠ 3 and ∠ 8 are same- side interior angles and sum to 180° , that is

∠ 3 + ∠ 8 = 180°

121° + ∠ 8 = 180° ( subtract 121° from both sides )

∠ 8 = 59°

∠ 8 and ∠ 6 are vertically opposite angles and are congruent , then

∠ 6 = 59°

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