Answers

2014-07-20T21:09:56+05:30
Euclid's 5th postulate is: if a straight line falling on two straight lines makes the interior angles on the same side of it taken together less than two right angles , then the two straight lines, if produced infinitely, meet on that side on which the sum of angles is less than two right angles.
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2014-07-21T09:43:02+05:30
 If the sum of two angles A and B formed by a line L and another two lines N and M sum up to less than two right angles then lines N and M meet on the side of angles A and B if continued indefinitely.
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