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Mathematics
Mathematics
Problem
If the coordinates of the mid-points of sides
B
C
BC
B
C
,
C
A
CA
C
A
and
A
B
AB
A
B
of triangle
A
B
C
ABC
A
B
C
are
(
1
,
1
)
(1, 1)
(
1
,
1
)
,
(
2
,
−
3
)
(2, -3)
(
2
,
−
3
)
and
(
3
,
4
)
(3, 4)
(
3
,
4
)
, then find the excenter opposite to the vertex
A
A
A
.
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