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

Download PDF of This Page (Size: 158K)

Q.1 Use the figure to name:

Image of Geometry Tree

Image of Geometry Tree

Image of Geometry Tree

(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.

Image of Parallel Line Four Geometry

Image of Parallel Line Four Geometry

Image of Parallel Line Four Geometry

Answer:

Q.3 Use the figure to name:

Image of Geometrical ideas

Image of Geometrical Ideas

Image of Geometrical ideas

(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.

Image of infinite number of lines can pass through one given point

Infinite Number of Lines through One Point

Image of infinite number of lines can pass through one given point

(b) two given points

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

Image of only one line can pass through two given points

Image of Only One Line Can Pass through Two Given Points

Image of only one line can pass through two given points