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Sagot :

Answer:

1: they are congruent and opposites. - Given

2: Same angle, just broken up - Angle Addition Property

3: Same angle, just broken up - Angle Addition Property

4: Same question as 1, congruent angles. - Substitution Property

5: Yes, congruent opposites - Given

6: Yes, 3 and 4 are congruent so it doesn't matter which you add they will

be the same. - Substitution Property

7: Yes, congruent - Given

Step-by-step explanation:

not 100% sure if the properties are right but I think so