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On March 11, 2024, 11:35 AM

Exercise 4.1 - Chapter 4 Basic geometrical ideas class 6 ncert solutions Maths - SaraNextGen [2024]


Question 1:

Use the figure to name:

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1677/Exercise%20-%204_html_m7feb3fb0.jpg

(a) Five points

(b) A line

(c) Four rays

(d) Five line segments

Answer:

(a) The five points are D, E, O, B, and C.

(b) https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1677/Exercise%20-%204_html_m795afe06.gif

(c) https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1677/Exercise%20-%204_html_b08f84.gif

(d) https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1677/Exercise%20-%204_html_m70179898.gif

Question 2:

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

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1680/Exercise%20-%204_html_1620946d.jpg

Answer:

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1680/Exercise%20-%204_html_m298218b8.gif

Question 3:

Use the figure to name:

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1684/Exercise%20-%204_html_m4b890667.jpg

(a) Line containing point E.

(b) Line passing through A.

(c) Line on which O lies

(d) Two pairs of intersecting lines.

Answer:

(a) https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1684/Exercise%20-%204_html_m428ca5f6.gif

(b) https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1684/Exercise%20-%204_html_m428ca5f6.gif

(c) https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1684/Exercise%20-%204_html_7deac17b.gif

(d) https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1684/Exercise%20-%204_html_3f1f7939.gifhttps://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1684/Exercise%20-%204_html_m9712443.gif

Question 4:

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

Answer:

(a) Infinite number of lines can pass through a single point.

(b) Only one line can pass through two given points.

Question 5:

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

(a) Point P lies onhttps://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1690/Exercise%20-%204_html_m23a827c5.gif .

(b) https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1690/Exercise%20-%204_html_3ef0c993.gif and https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1690/Exercise%20-%204_html_m74dfba9e.gif intersect at M.

(c) Line contains E and F but not D.

(d) https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1690/Exercise%20-%204_html_m87a54f9.gif and https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1690/Exercise%20-%204_html_m563bb071.gif meet at O.

Answer:

(a)

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1690/Exercise%20-%204_html_22c64346.jpg

(b)

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1690/Exercise%20-%204_html_m57a33761.jpg

(c)

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1690/Exercise%20-%204_html_m7f1949f8.jpg

(d)

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1690/Exercise%20-%204_html_5588910c.jpg

Question 6:

Consider the following figure of linehttps://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1692/Exercise%20-%204_html_m40a03b69.gif . Say whether following statements are true or false in context of the given figure.

https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1692/Exercise%20-%204_html_m1943238a.jpg

(a) Q, M, O, N, P are points on the linehttps://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1692/Exercise%20-%204_html_m40a03b69.gif .

(b) M, O, N are points on a line segmenthttps://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1692/Exercise%20-%204_html_217a0d61.gif .

(c) M and N are end points of line segmenthttps://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1692/Exercise%20-%204_html_217a0d61.gif .

(d) O and N are end points of line segmenthttps://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1692/Exercise%20-%204_html_4ad11bf5.gif .

(e) M is one of the end points of line segmenthttps://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1692/Exercise%20-%204_html_m67355a3.gif .

(f) M is point on rayhttps://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1692/Exercise%20-%204_html_7fd09dc8.gif .

(g) Ray https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1692/Exercise%20-%204_html_7fd09dc8.gif is different from rayhttps://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1692/Exercise%20-%204_html_6f78d126.gif .

(h) Ray https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1692/Exercise%20-%204_html_7fd09dc8.gif is same as rayhttps://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1692/Exercise%20-%204_html_600fbbdf.gif .

(i) Ray https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1692/Exercise%20-%204_html_600fbbdf.gif is not opposite to rayhttps://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1692/Exercise%20-%204_html_7fd09dc8.gif .

(j) O is not an initial point ofhttps://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1692/Exercise%20-%204_html_7fd09dc8.gif .

(k) N is the initial point of https://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1692/Exercise%20-%204_html_m28e5ca80.gif andhttps://img-nm.mnimgs.com/img/study_content/curr/1/6/1/4/1692/Exercise%20-%204_html_12363a05.gif .

Answer:

(a) True

(b) True

(c) True

(d) False

(e) False

(f) False

(g) True

(h) False

(i) False

(j) False

(k) True

Also Read : Exercise-4.2-Chapter-4-Basic-geometrical-ideas-class-6-ncert-solutions-Maths

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