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atroni [7]
3 years ago
9

Unknown angle problems

Mathematics
1 answer:
kykrilka [37]3 years ago
5 0

Step-by-step explanation:

8x°+30°=110°( vertically opposite angles)

8x°=110°-30°

8x°=80°

8x°/8=80°/8

x°=10°

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