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Phantasy [73]
2 years ago
14

Pls help me

Mathematics
1 answer:
spayn [35]2 years ago
3 0

Step-by-step explanation:

2x + x + 57 = 90

3x = 33

x = 11

m1 = 2 × 11 = 22°

m2 = 11 + 57 = 68°

check: 22 + 68 = 90

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