14

Point

LEARNING OBJECTIVES

After studying this chapter, the student will be able to understand:

  • Co-ordinate system of R2

  • Distance formulae in R2

  • Properties of distance formulae in R2

  • Circumcentre of a triangle

  • Shifting the origin without changing the direction of axes

  • Division of line segment

  • Centroid of a triangle

  • Incentre of a triangle

INTRODUCTION
DISTANCE FORMULAE IN R1

 

A(x), B(y) ∈ R1then d(A, B) = |AB| = |x−y|

 

DISTANCE FORMULAE IN R2

 

images
DISTANCE FUNCTION

 

images

 

is said to be the distance function or matric function over R2 x ...

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