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Sergeu [11.5K]
3 years ago
14

1. Provide reasons for the proof. Given:

Mathematics
2 answers:
DaniilM [7]3 years ago
5 0

Answer:

1.   given

2.  corresponding angles

3.  definition of congruent angles

4.  adjacent angles on a straight line

5.  definition of linear pair

6.  definition of supplementary angles

7.  substitution property

8.   definition of supplementary angles

Step-by-step explanation:

i checked this over and it is right :) i am doing this same test

have a great day

marysya [2.9K]3 years ago
3 0
Given that <span>Line m is parallel to line n.
We  prove that 1 is supplementary to 3 as follows:

\begin{tabular}&#10;{|c|c|}&#10;Statement&Reason\\[1ex]&#10;Line m is parallel to line n&Given\\&#10;\angle1\cong\angle2&Corresponding angles\\&#10;m\angle1=m\angle2&Deifinition of Congruent angles\\&#10;\angle2\ and\ \angle3\ form\ a\ linear\ pair&Adjacent angles on a straight line\\&#10;\angle2\ is\ supplementary\ to\ \angle3&Deifinition of linear pair\\&#10;m\angle2+m\angle3=180^o&Deifinition of supplementary \angle s\\&#10;m\angle1+m\angle3=180^o&Substitution Property&#10;\end{tabular}
\begin{tabular}&#10;{|c|c|}&#10;\angle1\ is\ supplementary\ to\ \angle3&Deifinition of supplementary \angle s&#10;\end{tabular}</span>
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