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Lines & Angles Class 9 PPT

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LINES AND ANGLES
? INTRODUCTION
? BASIC TERMS AND DEFINITION
? INTERSECTING LINES AND NON-
INTERSECTING LINES
? PARALLEL AND PERPENDICULAR LINES
? ANGLES
Page 3


LINES AND ANGLES
? INTRODUCTION
? BASIC TERMS AND DEFINITION
? INTERSECTING LINES AND NON-
INTERSECTING LINES
? PARALLEL AND PERPENDICULAR LINES
? ANGLES
INTRODUCTION
? In geometry the lines and angles are 
important tools. If any object in ideal , that 
is called as line and it is represented as 
straight curve.
? The angle is related with line that is the 
cross section of two lines is create the angle 
and that intersection point is called vertex.
Page 4


LINES AND ANGLES
? INTRODUCTION
? BASIC TERMS AND DEFINITION
? INTERSECTING LINES AND NON-
INTERSECTING LINES
? PARALLEL AND PERPENDICULAR LINES
? ANGLES
INTRODUCTION
? In geometry the lines and angles are 
important tools. If any object in ideal , that 
is called as line and it is represented as 
straight curve.
? The angle is related with line that is the 
cross section of two lines is create the angle 
and that intersection point is called vertex.
BASIC 
TERMS AND 
DEFINITION
• LINE – A straight path 
extending in both 
directions with no 
endpoints.
•LINE SEGMENT – A part 
of a line includes two end 
points and all the points 
between them.
•RAY- A part of a line with 
one endpoint , that 
continues without end in 
one direction.
Page 5


LINES AND ANGLES
? INTRODUCTION
? BASIC TERMS AND DEFINITION
? INTERSECTING LINES AND NON-
INTERSECTING LINES
? PARALLEL AND PERPENDICULAR LINES
? ANGLES
INTRODUCTION
? In geometry the lines and angles are 
important tools. If any object in ideal , that 
is called as line and it is represented as 
straight curve.
? The angle is related with line that is the 
cross section of two lines is create the angle 
and that intersection point is called vertex.
BASIC 
TERMS AND 
DEFINITION
• LINE – A straight path 
extending in both 
directions with no 
endpoints.
•LINE SEGMENT – A part 
of a line includes two end 
points and all the points 
between them.
•RAY- A part of a line with 
one endpoint , that 
continues without end in 
one direction.
INTERSECTING AND NON-
INTERSECTING LINES
? INTERSECTING 
LINES – Lines that 
cross
? NON-INTERSECTING 
LINES – Lines that 
never cross and are 
always the same 
distance apart
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48 videos|378 docs|65 tests
48 videos|378 docs|65 tests
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