NCERT Solutions for Class 9 Maths Chapter 5 Exercise 5.1 and Exercise 5.2 Euclid’s Geometry in PDF form in Hindi Medium and English Medium to free download. All the Question-Answer are based on Current CBSE Syllabus 2018-19 for CBSE Board and UP Board students from 2018-19 onward.

## NCERT Solutions for Class 9 Maths Chapter 5

**Go Back to NCERT Solutions for Class 9 Maths Main Page**

### Class 9 Maths Chapter 5 Euclid’s Geometry Solutions

#### All the Question-Answers Hindi Medium / English Medium

- Class 9 Maths Chapter 5 Exercise 5.1 Solutions
- Class 9 Maths Chapter 5 Exercise 5.2 Solutions
**NCERT Books for Class 9 All Subjects****NCERT Exemplar Problems Solutions****Study Material for 2018-2019 – English Medium****Study Material for 2018-2019 – Hindi Medium**

#### Class 9 Maths Exercise 5.1 in English

NCERT Solutions for Class 9 Maths Chapter 5 Exercise 5.1 Introduction to Euclid’s Geometry in English Medium free to use ONLINE or download as PDF form to use it OFFLINE. Click here to see **Exercise 5.2** or **Hindi Medium** solutions.

##### Class 9 Maths Exercise 5.2 in English

NCERT Solutions for Class 9 Maths Chapter 5 Exercise 5.2 Euclid’s Geometry in English medium for CBSE and UP Board as well as Gujrat Board (2018 onward). Click here to see **Exercise 5.1** or **Hindi Medium** solutions.

#### 9 Maths Chapter 5 Exercise 5.1 in Hindi

NCERT Solutions for Class 9 Maths Chapter 5 प्रश्नावली 5.1 in Hindi Medium based on Latest **CBSE Curriculum **2018-2019 free to use. Click here to see **प्रश्नावली 5.2** solutions or **English Medium** Sols.

##### 9 Maths Chapter 5 Exercise 5.2 in Hindi

NCERT Solutions for Class 9 Maths Chapter 5 प्रश्नावली 5.2 in Hindi Medium free to download or use it online free of cost without any login or password. Click here to see **प्रश्नावली 5.1** solutions and **English Medium** sols.

##### Important Axioms, Postulates and Terms of Euclid’s Geometry

- Euclid’s Axioms:
- Axiom 1: Things which are equal to the same things, are equal to one another.
- Axiom 2: If equals are added to equals, then the whole are equal.
- Axiom 3: If equals are subtracted from equals, then the remainders are equal.
- Axiom 4: Things which coincide with one another, are equal to one another.
- Axiom 5: The whole is greater than the part.
- Axiom 6: Things which are double of the same things, are equal to one another.
- Axiom 7: Things which are halves of the same things, are equal to one another.

- Euclid’s Postulate:
- Postulate 1: A straight line may be drawn from any one point to any other point.
- Postulate 2: A terminated line can be produced indefinitely.
- Postulate 3: A circle can be drawn with any center and any radius.
- Postulate 4: All right angles are equal to one another.
- Postulate 5: 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 sum of angles is less than two right angles.

- Equivalent versions of Euclid’s fifth postulate:
- ‘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’.
- Two distinct intersecting lines cannot be parallel to the same line.

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