Q7 of 77 Page 7

Find the points of trisection of the line segment joining the points (5, - 6) and ( - 7, 5).

Given: points (5, - 6) and ( - 7, 5)


To find: The points of trisection.


Formula Used:


section formula:


If point P (x, y) divides the line segment A(x1, y1) and B(x2,y2)


Then the coordinates of P are:



Explanation:


Let our given points be A (5, - 6), and B( - 7, 5) and required points are C (x1 , y1 ) and D(x2 , y2)


The points of trisection of a line are points which divide into the ratio 1:2


By section formula,



For point C(x1 , y1 )



Here m = 1 and n = 2





For point D (x2 , y2 )



Here m = 2 and n = 1





Hence, the points of trisection of the line joining given points are and .


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