NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Ex 4.2 are part of NCERT Solutions for Class 6 Maths. Here we have given NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Ex 4.2.

- Basic Geometrical Ideas Class 6 Ex 4.1
- Basic Geometrical Ideas Class 6 Ex 4.3
- Basic Geometrical Ideas Class 6 Ex 4.4
- Basic Geometrical Ideas Class 6 Ex 4.5
- Basic Geometrical Ideas Class 6 Ex 4.6

Board |
CBSE |

Textbook |
NCERT |

Class |
Class 6 |

Subject |
Maths |

Chapter |
Chapter 4 |

Chapter Name |
Basic Geometrical Ideas |

Exercise |
Ex 4.2 |

Number of Questions Solved |
5 |

Category |
NCERT Solutions |

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

Question 1.

Classify the following curves as

**(i)** Open or

**(ii)** Closed.

Solution:

Open curves are (a) and (c) and closed curves are (b), (d) and (e).

Question 2.

Draw rough diagrams to illustrate the following:

**(a)** Open curve

**(b)** Closed curve

Solution:

Rough diagram to illustrate

**(a) Open curve is**

**(b) Closed curve is**

Question 3.

Draw any polygon and shade its interior.

Solution:

We know that in a closed curve, the interior is inside of the curve. Thus, shaded portion of the polygon indicate its interior.

Question 4.

Consider the given figure and answer the questions:

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

**(b)** Is it closed?

Solution:

**(a)** Yes, the given figure represents a curve.

**(b)** Yes, the curve 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)** Impossible, as a close plane figure bounded by lines is called a polygon.

**(b)** Yes, it may be as

**(c)** No, impossible, as a polygon of two sides cannot be drawn.

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