We know that the word ‘Geometry’ means the measurement of earth which arises from a Greek origin. Exercise 4.1 of chapter 4 has problems based on concepts like points, line segments, line, intersecting and parallel lines and rays. Students are provided with exercise wise problems to boost exam preparation. The solutions are relevant to the latest syllabus and exam pattern. NCERT Solutions Class 6 Maths Chapter 4 Basic Geometrical Ideas Exercise 4.1 PDF are available here.
Access NCERT Solutions for Class 6 Chapter 4: Basic Geometrical Ideas Exercise 4.1
1. Use the figure to name:
(a) Five points
(b) A line
(c) Four rays
(d) Five line segments
(a) The five points are D, E, O, B and C
(b) A line is
(c) Four rays are
(d) Five line segments are
2. Name the line given in all possible (twelve) ways, choosing only two letters at a time from the four given.
The lines are
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.
(a) Line containing point E is
(b) Line passing through A is
(c) Line on which O lies is
(d) Two pairs of intersecting lines are
4. How many lines can pass through (a) one given point? (b) two given points?
(a) Countless lines can pass through a given point.
(b) Only one line can pass through a two given points.
5. Draw a rough figure and label suitably in each of the following cases:
(a) Point P lies on .
(b) and intersect at M.
(c) Line l contains E and F but not D.
(d) and meet at O.
6. Consider the following figure of line . 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 .
(b) M, O, N are points on a line segment .
(c) M and N are end points of line segment.
(d) O and N are end points of line segment .
(e) M is one of the end points of line segment .
(f) M is point on ray .
is different from ray .
(h) Ray is same as ray .
(i) Ray is not opposite to ray .
(j) O is not an initial point of
(k) N is the initial point of and .