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

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

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

NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Ex 4.1 are the part of NCERT Solutions for Class 6 Maths. Here you can find the NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Ex 4.1.

### Ex 4.1 Class 6 Maths Question 1.

Use the figure to name:
(a) Five points
(b) A line
(c) Four rays
(d) Five line segments

Solution:
(a) Five points are: O, B, C, E and D
(b) Name of a line is: DB or BD.
(c) Four rays are: OCOBOE and OD
(d) Five line segments are: OEEDODOB and EB

### Ex 4.1 Class 6 Maths Question 2.

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

Solution:
The given lines can be named as follows:

### Ex 4.1 Class 6 Maths 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:
(a) EF
(b) AE
(c) BC or BO
(d) CO and AE; AE and EF

### Ex 4.1 Class 6 Maths Question 4.

How many lines can pass through
(a) one given point?
(b) two given points?

Solution:
(a) Infinitely many lines can pass through a given point.
(b) Only one line can pass through two given points.

### Ex 4.1 Class 6 Maths Question 5.

Draw a rough figure and label suitably in each of the following cases:
(a) Point P lies on AB.
(b) XY and PQ intersect at M.
(c) Line l contains E and F but not D.
(d) OP and OQ meet at O.

Solution:

### Ex 4.1 Class 6 Maths 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 MN.
(b) M, O, N are points on a line segment MN.
(c) M and N are end points of line segment MN.
(d) O and N are end points of line segment OP.
(e) M is one of the end points of line segment QO.
(f) M is point on ray OP.
(g) Ray OP is different from ray QP.
(h) Ray OP is same as ray OM.
(i) Ray OM is not opposite to ray OP.
(j) O is not an initial point of OP.
(k) N is the initial point of NP and NM.

Solution:
(a) True
(b) True
(c) True
(d) False
(e) False
(f) False
(g) True
(h) False
(i) False
(j) False
(k) True

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