3 years ago

Special pairs of angles

Mathematics

1 answer:

ArbitrLikvidat [17]3 years ago

7 0

1. Never

2. Never

3. Sometimes

4. Never

5. 45

6. 54

7. 162

8. 22

9. 93

10. 71

11. 4 and 6

12. 1 and 7

13. 1 and 2

14. Line OP

15. 1 and 3

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