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2. Does Euclid's fifth postulate imply the e:xi.st,ence of paratlel lines? Explain.

2. Does Euclid's fifth postulate imply the e:xi.st,ence of paratlel
lines? Explain.

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 8741 Points
8 months ago
If a straight line l falls on two straight lines m and n such that sum of the interior angles on one side of l is two right angles, then the lines, if produced indefinitely, will not meet on this side of l. In the same way, the sum of the interior angles on the other side of line l will also be two right angles. Therefore, they will not meet on the other side also. So, the lines m and n never meet and are, therefore, parallel.

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