Practice30Create account

Ravi says: 'Euclid's fifth postulate is harder to accept than the other four, and many mathematicians tried to prove it from the first four.'
This historical fact eventually led to the discovery of:

Class 9Euclid's PostulatesGeometry — Foundations
  • AAlgebra
  • BNon-Euclidean geometry
  • CTrigonometry
  • DProbability

Step-by-Step Solution

Attempts to prove the fifth postulate from the others failed, and this led to the development of non-Euclidean geometries.
Answer: B) Non-Euclidean geometry

Master this chapter in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Euclid's Postulates practice questions

More Class 9 Euclid's Postulates practice

In the figure, AC = BD (two segments along a line). If BC is the common middle part, a…Identify which of the following is a POSTULATE (geometry-specific assumption), not a…A surveyor in Nagpur needs a unique straight boundary between two fixed boundary stones.…Given three numbers a, b, c with a = b. A student adds c to a and adds c to b, claiming…A student claims: 'Euclid's fifth postulate can be proved as a theorem using the first…