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

NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Ex 4.2 are the part of NCERT Solutions for Class 6 Maths (Rationalised Contents). Here you can find the NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Ex 4.2.

NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Ex 4.2 (Rationalised Contents)

Ex 4.2 Class 6 Maths Question 1.

Classify the following curves as (i) open or (ii) closed.

Solution:
(a) Open curve
(b) Closed curve
(c) Open curve
(d) Closed curve
(e) Closed curve

Ex 4.2 Class 6 Maths Question 2.

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

Solution:

Ex 4.2 Class 6 Maths Question 3.

Draw any polygon and shade its interior.

Solution:
Let ABCD is a polygon whose interior region is shaded.

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, it is a curve.
(b) Yes, it is a closed curve.

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) A closed curve, which is not a polygon, is a circle.
(b) ABCD is an open curve made up of the line segments AB, BC and CD.
(c) A polygon with two sides is not possible.