## NCERT Solutions for Class 9 Maths Chapter 5 Introduction to Euclid Geometry Ex 5.2

**Ex 5.2 Class 9 Maths Question 1.**

**How would you rewrite Euclid’s fifth postulate so that it would be easier to understand?**

**Solution:**

Two distinct intersecting lines cannot be parallel to the same line.

**Ex 5.2 Class 9 Maths Question 2.**

**Does Euclid’s fifth postulate imply the existence of parallel lines? Explain.**

**Solution:**

Yes.

According to Euclid’s fifth postulate when line x falls on line y and z such that ∠1+ ∠2< 180°. Then, line y and line z on producing further will meet in the side of ∠1 arid ∠2 which is less than 180°.

We find that the lines which are not according to Euclid’s fifth postulate. i.e., ∠1 + ∠2 = 180°, do not intersect.

### NCERT Solutions for Class 9 Maths Chapter 5 Introduction to Euclid’s Geometry (युक्लिड के ज्यामिति का परिचय) (Hindi Medium) Ex 5.2

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