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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.