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NemiM [27]
3 years ago
7

Complete the reasons for the proof.

Mathematics
2 answers:
-Dominant- [34]3 years ago
6 0

Answer:

a0 - Given

a1 - Exterior

a2 - opposite

a3 - supplementary

a4 - angles

a5 - equal

a6 - Substitution

a7 - supplementary

Step-by-step explanation:

just checked answer after submitting

andreyandreev [35.5K]3 years ago
5 0

Reasons:

(1)  Given

(2) their 2 non-common sides in 1 ray

(3) definition of: supplemental angles

(4) Substitution

(5) Opposite angles are congruent (equal)

(6) Substitution

(7) Definition of supplementary angles


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