SOLUTION: if l is parallel to m and angles 2 and 4 are congruent prove angles 8 and 7 are supplementary

Question 1099763: if l is parallel to m and angles 2 and 4 are congruent prove angles 8 and 7 are supplementary
Found 2 solutions by Alan3354, ikleyn:
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
any info about these angles?
Answer by ikleyn(52834)   (Show Source): You can put this solution on YOUR website!
.
For everything about parallel lines, transverse lines and associated angles see the lesson
    - Parallel lines
in this site.

Also, you have this free of charge online textbook on Geometry
    GEOMETRY - YOUR ONLINE TEXTBOOK
in this site.

The referred lesson is the part of this online textbook under the topic
"Basics of angles. Supplementary, complementary angles. Vertical angles. Parallel lines".

Save the link to this online textbook together with its description

Free of charge online textbook in GEOMETRY
https://www.algebra.com/algebra/homework/Triangles/GEOMETRY-your-online-textbook.lesson

to your archive and use it when it is needed.

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