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Ilia_Sergeevich [38]
3 years ago
10

2.2.2 checkup: practice problems

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
6 0

Answer:

1. 60 degrees

2. 50 degrees

4. 49 degrees

5. 26 degrees

Step-by-step explanation:

The sum of the measures of the angles of a triangle is 180 degrees.

1.

x + 80 + 40 = 180

x + 120 = 180

x = 60

2.

x + 75 + 55 = 180

x + 130 = 180

x = 50

4.

x + 90 + 41 = 180

x + 131 = 180

x = 49

5.

x + 81 + 73 = 180

x + 154 = 180

x = 26

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