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Mathematics
Mathematics
Problem
The vertices of a triangle are
A
(
2
,
−
3
)
A(2,-3)
A
(
2
,
−
3
)
,
B
(
5
,
k
)
B(5,k)
B
(
5
,
k
)
and
C
(
1
,
4
)
C(1,4)
C
(
1
,
4
)
. If the area of the triangle is
9
9
9
square units and
k
k
k
lies between
−
10
-10
−
10
and
10
10
10
, find the value of
k
k
k
. a)
6
6
6
b)
−
6
-6
−
6
c)
−
12
-12
−
12
d)
−
3
-3
−
3
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