23-07-2018
Mathematics

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∠x and ∠y are supplementary angles ∠y measures 142 what is the measure of x

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Аноним Аноним

23-07-2018

Supplementary angles add up to 180

⇒ ∠x + ∠y = 180

∠x + ∠y = 180

∠x + 142 = 180

∠x = 180 - 142 = 38°

Answer: x = 38°

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