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Mathematics
Mathematics
Problem
The points
A
(
1
,
2
,
3
)
A(1,2,3)
A
(
1
,
2
,
3
)
,
B
(
4
,
1
,
−
1
)
B(4,1,-1)
B
(
4
,
1
,
−
1
)
and
C
(
2
,
5
,
4
)
C(2,5,4)
C
(
2
,
5
,
4
)
are three consecutive vertices of a parallelogram
A
B
C
D
ABCD
A
B
C
D
. Find the area of the parallelogram.
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