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01-09-2019
Mathematics

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Аноним Аноним

01-09-2019

Answer:

x=129 degrees

Step-by-step explanation:

For this problem, you need to understand the concept of supplementary angles. Supplementary angles are two angles that add up to 180 degrees. Because the angles are adjacent and are formed by the intersection of two lines, we know that

x+51=180

So,

x=129 degrees

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