Prove that if two lines are parallel to the third line, then they are parallel.
| August 8, 2021 | education
We look at the condition two straight lines parallel. We assume that the third line is parallel to one of the lines. By the condition of parallelism – two lines do not intersect. Let’s assume that the third line is not parallel to the first. Then the condition of parallelism of the first two lines is violated – and therefore the third will be parallel to the first two.
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