INTRODUCTION to GEOMETRIC CONSTRUCTION

1. Topic: Geometric Constructions
Std: IX

2. • A line segment is a part of a line
that is bounded by two distinct
end points.
A B

3. • Part of the circumference (edge) of a
circle
A
B

4. • It is the relationship between two lines which
meet at a right angle (90 degrees).
A B
90
C
O

5. • The perpendicular bisector is a line that
divides a line segment into two equal parts.
• Each point on the perpendicular bisector is
the same distance from each of the endpoints
of the original line segment.
OA
B

6. • Draw line L and take point P on it. Draw line M
perpendicular to line l at pt. p
p
l
m
A B

7. • Draw a line segment PQ. Draw perpendicular
bisector of the segment.
90
p q
A
B

8. Activity
• Draw a line segment PQ. Draw
two arcs and bisect it
perpendicularly and name them