Coordinate geometery chap 7

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Excercise 7. 2

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COORDINATE GEOMETERY:

COORDINATE GEOMETERY CHAPTER 7 EXERCISE 7.3

QUESTION 1: Find the area of the triangle whose vertices are:(i) (2,3), (-1,0), (2,-4) (ii) (-5,-1), (3,-5), (5,2):

QUESTION 1: Find the area of the triangle whose vertices are: (i) (2,3), (-1,0), (2,-4) (ii) (-5,-1), (3,-5), (5,2)

QUESTION 2 :- In each of the following find the value of ‘k’ for which the points are collinear.(i) (7,-2) , (5,1) , (3,k) (ii) (8,1) , (k,-4) , (2,-5):

QUESTION 2 :- In each of the following find the value of ‘k’ for which the points are collinear. (i) (7,-2) , (5,1) , (3,k) (ii) (8,1) , (k,-4) , (2,-5)

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