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Please help complete

Please help complete-example-1

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Answer:

Explanation:

3. = 180 - 142

= 38 angles on a straight line equal 180

4. =142 - vertically opposite

5. = 38 alternate angles, alternate with angle 1

6. = 142 - alternate angles

7. = 142 - corresponding angles, corresponding with angle 2

8. = 38 - vertically opposite

9. = 43 - corresponding to angle 7

10. = 137 - vertically opposite

11. = 180 - 137 = 43 - angles on a straight line equal 180 degrees

12. = 43 - vertically opposite to angle 6

13. = 43 - alternate to angle 6

14. = 137 alternate angles

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