# Mathematics Class 6 NCERT Solutions: Chapter 4 Basic Geometrical Ideas Exercise 4.1-Part 1

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Q.1 Use the figure to name:

(a) Five points

Answer: Five points are:

(b) A line

Answer: A line:

(c) Four rays

Answer: Four rays:

(d) Five line segments

Answer:

Q.2 Name the line given in all possible (twelve) ways, choosing only two letters at a time from the four given.

Answer:

Q.3 Use the figure to name:

(a) Line containing point E.

Answer: A line containing

(b) Line passing through A.

Answer: A line passing through

(c) Line on which O lies.

Answer: A line on which O lies

(d) Two pairs of intersecting lines.

Answer: Two pairs of intersecting lines are:

Q.4 How many lines can pass though:

(a) one given point?

Answer: Infinite number of lines can pass through one given point.

(b) two given points

Answer: Only one line can pass through two given points.