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Is the answer to this question 84?

Is the answer to this question 84?-example-1
User Gjqeriqi
by
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1 Answer

6 votes

Answer:

yes ∠ A = 84°

Explanation:

∠ A and ∠ B are same side interior angles and supplementary, thus

5x + 34 + 2x + 76 = 180

7x + 110 = 180 ( subtract 110 from both sides )

7x = 70 ( divide both sides by 7 )

x = 10

Thus

∠ A = 5x + 34 = 5(10) + 34 = 50 + 34 = 84°

User Monkbroc
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4.1k points