# NCERT Solutions for Class 6 Maths Chapter 4

NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Exercise 4.1, Exercise 4.2, Exercise 4.3, Exercise 4.4, Exercise 4.5 and Exercise 4.6 in English and Hindi Medium updated for session 2021-22.

Solutions of Prashnavali 4.1, Prashnavali 4.2, Prashnavali 4.3, Prashnavali 4.4, Prashnavali 4.5 and Prashnavali 4.6 in Hindi Medium free to download in PDF file format or View in Video Format Free. NCERT Solutions of other subjects and NCERT Solutions Offline Apps are also available along with NCERT Books 2021-22. All solutions are free to use offline or online free, no charge or login is required.

## NCERT Solutions for Class 6 Maths Chapter 4

 Class: 6 Mathematics Chapter 4: Basic Geometrical Ideas

NCERT Solutions for Class 6 Maths Chapter 4 is available in Hindi Medium as well as English Medium given below to free download or online use. All the solutions are updated for new academic session 2021-22 based on latest NCERT Books 2021-2022.

#### Class 6 Maths Chapter 4 Exercise 4.1 Solutions in Videos

Class 6 Maths Exercise 4.1 Solution and Explanation
Class 6 Maths Chapter 4 Exercise 4.1 Solution

#### Class 6 Maths Chapter 4 Exercise 4.2 Solutions in Videos

Class 6 Maths Exercise 4.2 Solution and Explanation
Class 6 Maths Chapter 4 Exercise 4.2 Solution

#### Class 6 Maths Chapter 4 Exercise 4.3 Solutions in Videos

Class 6 Maths Exercise 4.3 Solution and Explanation
Class 6 Maths Chapter 4 Exercise 4.3 Solution

#### Class 6 Maths Chapter 4 Exercise 4.4 Solutions in Videos

Class 6 Maths Exercise 4.4 Solution and Explanation
Class 6 Maths Chapter 4 Exercise 4.4 Solution

#### Class 6 Maths Chapter 4 Exercise 4.5 Solutions in Videos

Class 6 Maths Exercise 4.5 Solution and Explanation
Class 6 Maths Chapter 4 Exercise 4.5 Solution

#### Class 6 Maths Chapter 4 Exercise 4.6 Solutions in Videos

Class 6 Maths Exercise 4.6 Solution and Explanation
Class 6 Maths Chapter 4 Exercise 4.6 Solution

#### About Class 6 Maths Chapter 4

In 6 Maths Chapter 4 Basic Geometrical Ideas, we will study about the geometrical figures like Point, Line segment, Line, Intersecting lines, Parallel lines, Simple Curves, etc.
Circle: A closed curve which remains at constant distance from a point (its centre).
Sector: A region in the interior of a circle enclosed by an arc on one side and a pair of radii on the other two sides is called a sector.
Segment: A region in the interior of a circle enclosed by a chord and an arc is called a segment of the circle.
Circumference: The distance around a circle is its circumference.
Chord: A chord of a circle is a line segment joining any two points on the circle.
Diameter: A diameter is a chord passing through the centre of the circle.
The diameter of a circle divides it into two semi-circles.
A ray is a portion of line starting at a point and going in one direction endlessly whereas a line segment corresponds to the shortest distance between two points.

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### Important Questions on Class 6 Maths Chapter 4

##### How many lines can pass though: (a) one given point? (b) two given points?

(a) Infinite number of lines can pass through one given point.
(b) Only one line can pass through two given points.

##### Use strip and fasteners to make a triangle and a quadrilateral. Try to push inward at any one vertex of the triangle. Do the same to the quadrilateral. Is the triangle distorted? Is the quadrilateral distorted? Is the triangle rigid? Why is it that structures like electric towers make use of triangular shapes and not quadrilateral?

No, the triangle is not distorted but the quadrilateral is distorted and also the triangle is rigid. Structures like electric towers make use of triangular shape so that they could not be distorted and they could be rigid.

##### What is the history of geometry give in Class 6 Maths Chapter 4?

Geometry has a long and rich history. The term ‘Geometry’ is the English equivalent of the Greek word ‘Geometron’. ‘Geo’ means Earth and ‘metron’ means Measurement. According to historians, the geometrical ideas shaped up in ancient times, probably due to the need for art, architecture, and measurement. Even today geometrical ideas are reflected in all forms of art, measurements, architecture, engineering, cloth designing, etc. You observe and use different objects like boxes, tables, books, the ball with which you play, and so on. All such objects have different shapes. In this chapter, students will learn some interesting facts that will help them know more about the shapes around them.

##### How many exercises are there in chapter 4 of class 6th Maths?

Chapter 4 of class 6th Maths has 6 exercises. The first exercise has 6 questions. The second exercise contains 5 questions. In the third exercise, there are only three questions. In the fourth exercise, there are only two questions. There are only three questions in the fifth exercise. The last and the sixth exercise contain only 4 questions. So, the fourth exercise contains the least number of questions.

##### How do students get full marks in chapter 4 of class 6th Maths?

In chapter 4 of class 6th Maths, there are only 23 questions. If students honestly and seriously practice all questions of this chapter, they can easily score full marks in chapter 4 of class 6th Maths.

##### Is chapter 4 Basic Geometrical Ideas of 6th Maths challenging?

Chapter 4 Basic Geometrical Ideas of grade 6th Maths is not at all challenging. This chapter is overall an easy chapter. But, the difficulty level of any topic depends on students also. Some students find chapter 4 easy, and some students find chapter 4 difficult.              