# Here we have given NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Ex 4.2.

• Basic Geometrical Ideas Class 6 Ex 4.1
• Basic Geometrical Ideas Class 6 Ex 4.3
• Basic Geometrical Ideas Class 6 Ex 4.4
• Basic Geometrical Ideas Class 6 Ex 4.5
• Basic Geometrical Ideas Class 6 Ex 4.6
 Board CBSE Textbook NCERT Class Class 6 Subject Maths Chapter Chapter 4 Chapter Name Basic Geometrical Ideas Exercise Ex 4.2 Number of Questions Solved 5 Category NCERT Solutions

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

Ex 4.2 Class 6 Maths Question 1.
Classify the following curves as
(i) Open or
(ii) Closed. Solution:
Open curves are (a) and (c) and closed curves are (b), (d) and (e).

Ex 4.2 Class 6 Maths Question 2.
Draw rough diagrams to illustrate the following:
(a) Open curve
(b) Closed curve
Solution:
Rough diagram to illustrate
(a) Open curve is (b) Closed curve is Ex 4.2 Class 6 Maths Question 3.
Draw any polygon and shade its interior.
Solution:
We know that in a closed curve, the interior is inside of the curve. Thus, shaded portion of the polygon indicate its interior. Ex 4.2 Class 6 Maths Question 4.
Consider the given figure and answer the questions: (a) Is it a curve?
(b) Is it closed?
Solution:
(a) Yes, the given figure represents a curve.
(b) Yes, the curve is closed.

Ex 4.2 Class 6 Maths 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.
Solution:
(a) Impossible, as a close plane figure bounded by lines is called a polygon.
(b) Yes, it may be as (c) No, impossible, as a polygon of two sides cannot be drawn.

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