Question

from given information justify wheter the gien points are collinear or not? b. d(A,B)=६,d(BC) =2and d(A,C)=9?​

Answer 1

Answer:

Let A(1,-1), B(5,2) and (9,5) be the given points. Then,we have

AB=

(5−1)

2

+(2+1)

2

=

16+9

=5

BC=

(5−9)

2

+(2−5)

2

=

16+9

=5

and, AC=

(1−9)

2

+(−1−5)

2

=

64+36

=10

Answer 2

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