Segment RS has endpoint R(5,7) and midpoint M(9,1). What are the coordinates of S?
1 answer:
Answer:
(13,-5)
Step-by-step explanation:
let the coordinates of S be (x,y)
so, we have
(9,1) = (5+x/2, 7+y/2)
so, 9 = (5 + x) /2 1 = (7+ y)/2
9*2 = 5 + x 2= 7 + y
18 -5 =x 2-7 = y
13 =x -5 = y
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