SSC CHSL 8 Jan 2017 Shift 1 Paper

Question : 67 of 100

Marks: +1, -0

Find co-ordinates of the mid point of the segment joining points C (3,-5) and D (-7,3).

Solution:

Coordinates of mid point of line joining points

(x_1,y_1)

and

(x_2,y_2)=({x_1+x_2}/2,{y_1+y_2}/2)

Let coordinates of mid point

(x, y)

C = (3,-5) and D = (-7,3)
⇒

x={3-7}/2

⇒

-4/2=-2

Similarly,

y={-5+3}/2

⇒

y=-2/2=-1

Thus, coordinates of mid point (-2,-1)

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