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klio [65]
3 years ago
15

Help 8th grade please

Mathematics
2 answers:
Verdich [7]3 years ago
7 0

Answer:

C

Step-by-step explanation:

Supplementary - adds up to 180

Lena [83]3 years ago
3 0

Answer:

B.

Step-by-step explanation:

Supplementary angles have a sum of 180 degrees, and those two angles added to angle 1 would be equal to 180 degrees since they are straight lines.

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