**Basic Geometrical Ideas Class 6 Ex. 4.2**

**Ncert Class 6 Math Free Solution.**

**Exercise 4.2**

**Question 1 :- Classify the following curves as :**

**(i) open **

**(ii) closed.**

**Solution 1:-**

(a) Open curve

(b) Closed curve

(c) Open curve

(d) Closed curve

**Question 2 :- Draw rough diagrams to illustrate following:**

**(a) Open curve**

**(b) Closed curve**

**Solution 2:-**

(a) Open curve

(b) Closed curve

**Question 3 :- Draw any polygon and shade its interior?**

**Solution3 :-**

ABCDE is the required polygon whose interior region is shaded.

**Question 4 :- Consider the given figure and answer the questions.**

**(a) Is it a curve?**

**(b) Is it closed?**

**Solution 4:-**

(a) Yes, it is a curve.

(b) Yes, it is closed curve.

**Question 5 :- Illustrate, if possible, each one of the following with rough diagram :**

**(a) A closed curve that is not polygon.**

**(b) An open curve made up entirely of the line segments.**

**(c) A polygon with two sides.**

**Solution 5:-**

(a)

(b)

(c) A polygon with two sides cannot be draw.

**Basic Geometrical Ideas Class 6 Exercise. 4.2 for Free**