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Ebanil249 Ebanil249
  • 26-02-2017
  • Mathematics
Answered

M(1,3) is the midpoint of RS. If S has coordinates (8,3) find the coordinates of R

Verified Answer :

RosaT2001
RosaT2001 RosaT2001
  • 26-02-2017

The answer would be (-6,3)

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madhav10
madhav10 madhav10
  • 26-02-2017

let r=(x,y)
m=(r+s)/2
(1,3)=([x+8]/2 , [y+3]/2)

a)    1 = (x+8)/2
        2 =x+8
        x = -6
b)    3 = (y+3)/2
         6 = y+3
         y = 3

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