Question

I don’t understand 15 through 18

Answer 1

15 )true because they are opposite angles.

16) false 2 and 4 are opposite angles so should be the same value.

17 true ) because angle 4+1=180.

18 true) because the two angles make a 180 degree.

Answer 2

Explanation:

15. True

16. False

17. True

18. True