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Please help me out with this problem

Please help me out with this problem-example-1
Please help me out with this problem-example-1
Please help me out with this problem-example-2
User Niekname
by
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1 Answer

4 votes

Answer:

First picture:

1)Given

2)Substitution

3) Subtraction Property of Equality

4)if altenate interior angles are equal, then the lines are parallel

Second picture:

1) Given

2)if lines are parallel, then the corresponding angles are equal

3)Substitution

4)if altenate interior angles are equal, then the lines are parallel


User Pedro Lobito
by
8.0k points

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