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Zina [86]
4 years ago
11

Enter your answer and show all the steps that you use to solve this problem in the space provided.

Mathematics
1 answer:
EastWind [94]4 years ago
6 0

Step-by-step explanation:

x = 81° because the sum of interior angles in a triangle is =180°

z = 99° because two interior angles = one exterior (or we can say x + z = 180°

y = 68° because y + z + 13 = 180°

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