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castortr0y [4]
3 years ago
15

Find the measure of angle 1

Mathematics
2 answers:
hichkok12 [17]3 years ago
8 0

Answer:

123°

Step-by-step explanation:

A flat line is 180° so that means 57-180=123 so therefore the angle is 123°

Karo-lina-s [1.5K]3 years ago
6 0

Answer:

123

Step-by-step explanation:

180-57=123

OK OK ok

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