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22 votes
22 votes
HELP PLEASE! I keep getting this wrong. Thank you!

HELP PLEASE! I keep getting this wrong. Thank you!-example-1
HELP PLEASE! I keep getting this wrong. Thank you!-example-1
HELP PLEASE! I keep getting this wrong. Thank you!-example-2
User Alex Ferg
by
2.9k points

1 Answer

21 votes
21 votes

Answer:

Answer 1:Angles forming a linear pair sum to 180°

Answer 2: Substitution

Answer 3: Definition of perpendicular line

Explanation:

hope this helps you...

User Charles Roth
by
2.7k points