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Lapatulllka [165]
3 years ago
7

I need help ASAP please

Mathematics
1 answer:
Alona [7]3 years ago
4 0
Joby is correct, but Diana is not

because Diana showed how to do supplementary angles and Joby showed how to do vertical angles and showed that vertical angles are congruent. The question said to prove that vertical angles are congruent 

Therefore, Joby is correct, but Diana is not
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