Introduction to Euclid's Geometry · Class 9 · CBSE Mathematics

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…

Practice question from Introduction to Euclid's Geometry (Class 9 · CBSE Mathematics), with the correct answer and a step-by-step solution.

medium · MCQ · Q-C5F28F

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 indefinitely, meet on that side on which the angles are less than two right angles. This statement is known as:

  1. A.Euclid's First Postulate
  2. B.Euclid's Fifth PostulateCorrect answer
  3. C.Euclid's Axiom 5
  4. D.Playfair's Axiom

Solution

This statement is the famous Euclid's Fifth Postulate, also known as the parallel postulate.

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