|Class 9 Maths Euclid Geometry||Equivalent version of 5th Postulate|
Equivalent version of 5th Postulate:
Two equivalent versions of Euclid’s fifth postulate are:
(i) For every line l and for every point P not lying on l, there exists a unique line m passing through P and parallel to l’.
(ii) Two distinct intersecting lines cannot be parallel to the same line