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g100num [7]
3 years ago
14

HELP HELP HELP HELP HELP

Mathematics
1 answer:
Anettt [7]3 years ago
4 0

Answer:

2y + 5y + 2y = 180

9y = 180

y = 20

Step-by-step explanation:

Degrees in a triangle: 180

All the angles must add up to 180

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