This document contains a student's notes on geometry topics including points, lines, and planes. It defines key concepts such as rays, lines, segments, collinear points, parallel lines, intersecting lines, concurrent lines, and planes. Examples are provided to illustrate parallel lines, intersecting lines, collinear points, and concurrent lines. The student also classifies examples as true or false and answers questions identifying lines of concurrence and concurrent lines.

1. HARSHALI.S.VINERKAR
Roll No: 66
Sub: Mathematics
Std: 6th
Topic : POINT, LINE, PLANE

2. The pupil states the definition of line and segment.
The pupil identifies RAY, LINE, SEGMENT.
 The pupil classifies collinear and non collinear
points.
The pupil defines in his own words:
 parallel lines
intersecting lines
concurrent lines

3. • The pupil illustrates his own
examples of parallel lines.
• The pupil illustrates his own
examples of intersecting lines.
• The pupil classifies collinear and
non collinear points.
• The pupil draws concurrent lines.

4. POINTS
• We can draw innumerable
lines passing through a single
point.
• One and only one line passes
through any two given points.

5. POINTS
 When one and only one line
can be drawn passing A B C
through three or more points,
the points are said to be
“COLLINEAR POINTS”
X Z
 When a single line cannot be v
v
drawn through three points, Y
the points are said
to be “NON COLLINEAR
POINTS”

6. Evaluation

7. True or false
1) Points X, Y, Z are
A B C
collinear points.
a)TRUE
b)FALSE
X Y Z
2) Points A, X, Y are
P Q R
collinear points
a)TRUE
b)FALSE

8. EXCELLENT
KEEP GOING ON !!!

9. OOOPS?????
THINK AGAIN.

10. EXCELLENT
KEEP GOING ON !!!

11. PLANE
• A PLANE is a flat surface
which extends in all
directions without any
limits.
• Lines in the same plane
that do not intersect
each other are called
“PARALLEL LINES”

12. • Line A and B meet in
point O.
A B
• Point O is called the O
point of intersection of
line A and line B.
• Two intersecting lines
have one and only one
point of intersection.

13. Line M, line N and line A
intersect each other at point O.
Thus, three lines intersect each M N
other in one common point.
O
Their point of intersection point A
O is called the POINT OF
CONCURRENCE.
Three or more than three lines
intersecting in a single point are
called CONCURRENT LINES.

14. Evaluation

15. 1) Line AB and line PQ are A B
__________________ lines.
P Q
a) Parallel-lines
b) Intersecting lines
W X
2) Line WX and line XZ intersect A B
at point __________________
C D
a) Point D Y Z
b) Point B

16. EXCELLENT
KEEP GOING
ON !!!

17. OOOPS?????
THINK AGAIN.

18. EXCELLENT
KEEP GOING ON !!!

19. 1) Name the lines whose point
of concurrence is point Q?
P Q
Ans ) Line PQ, line QR, and
line QS
intersect at point.Thus,
their point S R
of concurrence is point Q.

20. 2) Which of the lines PQ, RS, PS
and QS are concurrent?
P Q
Ans) Line PS, line
SR and line QS are
concurrent lines. S R

21. EXCELLENT !!!

22. THANK YOU