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

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

Question 1.
Classify the following curves as
(i) open
(ii) closed.

Solution :
(i) a, c
(ii) b,d,e.

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

(b)

Question 3.
Draw any polygon and shade its interior.
Solution :

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 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.
Solution :
(a)

(b)

(c) Not possible.