Posted by rose on Tuesday, September 11, 2012 at 10:17pm.
the coordinates of point S are given. the midpoing of RS is (6,10). find the coordinates of point r. s(0,8)

geometry  Steve, Wednesday, September 12, 2012 at 10:25am
If we let M be the midpoint,
SM = (0,8)  (6,10) = (6,18)
that means that MR must also be (6,18), or R = M(6,18)
R = (6,10)  (6,18) = (12,28)
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