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Allisa [31]
3 years ago
10

Need help with theses plz

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
8 0

Answer:

7. x=19      2x=38

8.x=23     3x=69

9.x=12      (50-2)/4=12

10.x=15     (31-1)/2

11.x=16      (84-4)/5

12.x=27     (55-1)/2

Step-by-step explanation:

if 2 angles are opposite, it's the same

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