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You are here: Home / NCERT Solutions / Class 6 / Maths / Chapter 4 Basic Geometrical Ideas / Exercise 4.2

Exercise 4.2

Last Updated on June 19, 2019 By Mrs Shilpi Nagpal Leave a Comment

Class 6 | Mathematics | Chapter 4| Basic Geometrical Ideas | Exercise 4.2

Question 1. Classify the following curves as (i) Open or (ii) Closed.

Ex 4.2 Chapter 4 Maths

Answer 1: (a) Open curve (b) Closed curve (c) Open curve (d) Closed curve (e) Closed curve

Question 2. Draw rough diagrams to illustrate the following : (a) Open curve (b) Closed curve.

Answer 2 :

a) Open curves

open curves

b) closed curve

closed curve

Question 3. Draw any polygon and shade its interior.

Answer 3:

Shaded polygon

Question 4. Consider the given figure and answer the questions : (a) Is it a curve? (b) Is it closed?

Star

Answer 4:

a) Yes, it is a curve

b) Yes, it is closed.

Question 5. Illustrate, if possible, each one of the following with a rough diagram:

(a) A closed curve that is not a polygon.

(b) An open curve made up entirely of line segments.

(c) A polygon with two sides.

Answer 5 :

(a)

5a

(b)

5b

(c) Polygon with two sides cannot be draw.

Filed Under: Chapter 4 Basic Geometrical Ideas, Class 6, Maths, NCERT Solutions

About Mrs Shilpi Nagpal

Author of this website, Mrs Shilpi Nagpal is MSc (Hons, Chemistry) and BSc (Hons, Chemistry) from Delhi University, B.Ed (I. P. University) and has many years of experience in teaching. She has started this educational website with the mindset of spreading Free Education to everyone.

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