NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Ex 4.1 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 4.1.

- Basic Geometrical Ideas Class 6 Ex 4.2
- 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 4.1 |

Number of Questions Solved |
6 |

Category |
NCERT Solutions |

## NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Ex 4.1

Question 1.

Use the figure to name:

**(a)** Five points

**(b)** A line

**(c)** Four rays

**(d)** Five line segments

Solution:

Clearly, from the given figure

**(a)** 5 points are points, O, C, B, D and E.

**(b)** A line is [altex]\overleftrightarrow { BD } [/latex]

**(c)** 4 rays are and .

**(d)** 5 line segments are and .

Question 2.

Name the line given in all possible (twelve) ways, choosing only two letters at a time from the four given.

Solution:

All the possible ways of naming the given by choosing only two letters at a time out of 4 letters are

and .

Question 3.

Use the figure to name :

**(a)** Line containing point E.

**(b)** Line passing through A.

**(c)** Line on which O lies.

**(d)** Two pairs of intersecting lines.

Solution:

Clearly, from the given figure

**(a)** Line containing pqint E is .

**(b)** Line passing through A is .

**(c)** O lies on the line .

**(d)** Two pairs of intersecting lines are and .

Question 4.

How many lines can pass through

**(a)** one given point?

**(b)** two given points?

Solution:

**(a)** An unlimited number of lines can be drawn passing through a given point.

**(b)** Exactly one line can be drawn passing through two different given points in a plane.

Question 5.

Draw a rough figure and label suitably in each of the following cases:

**(a)** Point P lies on .

**(b)** and intersect at M.

**(c)** Line l contains E and F but not D.

**(d)** and meet at O.

Solution:

A rough figure and labelled suitably for the given cases are as under:

**(a)** Point P lies on :

**(b)** and intersect at M:

**(c)** Line l contains E and F but not D:

**(d)** and meet at O.

Question 6.

Consider the following figure of line MN. Say whether following statements are true or false in context of the given figure.

**(a)** Q, M, O, N, P are points on the line .

**(b)** M, O, N are points on a line segment .

**(c)** M and N are end points of line segment .

**(d)** O and N are end points of line segment .

**(e)** M is one of the end points of line segment .

**(f)** M is point on ray .

**(g)** Ray is different from ray .

**(h)** Ray is same as ray .

**(i)** Ray is not opposite to ray .

**(j)** O is not an initial point of .

**(k)** N is the initial point of and .

Solution:

In the context of the given figure, the given statement is:

**(a)** True

**(b)** True

**(c)** True

**(d)** False

**(e)** False

**(f)** False

**(g)** True

**(h)** False

**(i)** True

**(j)** False

**(k)** True

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