Which of the following is known as a simpler form of Euclid's fifth postulate
and led to the discovery of non-Euclidean geometry?
A. Playfair's axiom
B. Poincaré disk
C. Riemann's negation
D. Zeno's paradox

Relax

Respuesta :

Answer:

A.  Playfair's axiom.

Step-by-step explanation:

In a plane, given a line and a point not on it, at most,  one line parallel to the given line can be drawn through the point.

- this implies Euclid's fifth postulate.