Detailed Solutions for NCERT Class 6th Mathematics Chapter 4 – Basic Geometrical Ideas – Exercise 4.2

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Questions and Solutions for NCERT Class 6th Mathematics Chapter 4 – Basic Geometrical Ideas – Exercise 4.2

1. Classify the following curves as (i) Open or (ii) Closed.

Ans: (a) Open Curve

(b) Closed Curve

(c) Open Curve

(d) Closed Curve

(e) Closed Curve

2. Draw rough diagrams to illustrate the following :

(a) Open curve

Ans:

(b) Closed curve.

Ans:

3. Draw any polygon and shade its interior.

Ans: ABCDE is a polygon with shaded interior.

4. Consider the given figure and answer the questions :

(a) Is it a curve? (b) Is it closed?

Ans: (a) Yes, it is a curve.

(b) Yes, it is closed.

5. Illustrate, if possible, each one of the following with a rough diagram:

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

Ans:

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

Ans:

(c) A polygon with two sides.

Ans: A polygon with two sides cannot be drawn.

You can find the solutions for Class 6 Mathematics previous exercises from here