# Class-6 Math Chapter-4: Excercise 4.1 NCERT Solutions

Chapter 4: Basic Geometrical Ideas

Exercise 4.1

Q1.​​ Use the figure to name:​​

(a) Five points​​

(b) A line​​

(c) Four rays​​

(d) Five line segments​​

Ans.

(a) Five points are:​​

(b) A line:​​

(c) Four rays:​​

(d) Four line segments:

Q2.​​ Name the line given in all possible (twelve) ways, choosing only two letters at a time from the four given.

Ans. ​​ ​​ ​​​​

Q3.​​ 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.​​

Ans.

​​

Q4.​​ How many lines can pass through:​​

(a) one given point?​​

(b) two given points​​

Ans.

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

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

Q5.​​ Draw a rough figure and label suitably in each of the following cases:

Ans.

(a)​​

(b)

(c)​​

(d)

Q6.​​

Ans.

(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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