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lyudmila [28]
3 years ago
7

Please I need help please

Mathematics
1 answer:
Kaylis [27]3 years ago
7 0

Answer:

I'm sorry, I can help only with this one x = 20°

Step-by-step explanation:

2x + 5° + 4x + 15° + 2x = 180°

8x = 180° - 5° - 15°

8x = 160°|÷8

x = 20°

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