Jacie1999 Jacie1999
  • 17-10-2016
  • Mathematics
contestada

T(8,15) is the midpoint of CD. The coordinates of D are (8,20). What are the coordinates of C?

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xXinfinitestarsXx
xXinfinitestarsXx xXinfinitestarsXx
  • 17-10-2016
The coordinates of C must be (8,10).

If you plug in the values given in the midpoint formula
[tex]8= \frac{8+(8)}{2} [/tex]
 
and [tex]15= \frac{20+(10)}{2} [/tex]

it matches perfectly with the provided midpoint

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Rivergirl
Rivergirl Rivergirl
  • 17-10-2016
The mid point is 5 away from d so it should be five away from c. 8,5
Answer Link

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