NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Ex 4.2

These NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Ex 4.2 Questions and Answers are prepared by our highly skilled subject experts.

NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Exercise 4.2

Question 1.
Classify the following curves as (i) Open or (ii) Closed.
NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Ex 4.2 1
Answer:
(a) Open curve
(b) Closed curve
(c) Open curve
(d) Closed curve
(e) Closed curve

NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Ex 4.2

Question 2.
Draw rough diagrams to illustrate the following:
(a) Open curve
(b) Closed curve.
Answer:
(a) Open curve
NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Ex 4.2 2
(b) Closed curve
NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Ex 4.2 3

Question 3.
Draw any polygon and shade its interior.
Answer:
Polygon ABODE
NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Ex 4.2 4

Question 4.
Consider the given figure and answer the questions:
NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Ex 4.2 5
(a) Is it a curve?
(b) Is it closed?
Answer:
(a) Yes, it is a curve.
(b) Yes, it is closed.

NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Ex 4.2

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:
NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Ex 4.2 6
(c) Polygon with two sides connot be drawn.

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