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Mathematics
Problem
Point D has coordinates
(
9
,
−
2
)
(9, -2)
(
9
,
−
2
)
. The midpoint of DC lies on the y-axis and has ordinate
4
4
4
. Which of the following are the coordinates of C? a)
(
9
,
10
)
(9,\,10)
(
9
,
10
)
b)
(
−
9
,
−
10
)
(-9,\,-10)
(
−
9
,
−
10
)
c)
(
−
9
,
10
)
(-9,\,10)
(
−
9
,
10
)
d)
(
−
4.5
,
4
)
(-4.5,\,4)
(
−
4.5
,
4
)
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