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Mathematics
Mathematics
Problem
The vertices of a triangle are
A
(
2
,
−
1
)
A(2, -1)
A
(
2
,
−
1
)
,
B
(
7
,
4
)
B(7, 4)
B
(
7
,
4
)
and
C
(
3
,
8
)
C(3, 8)
C
(
3
,
8
)
. Which pair of its sides are perpendicular to each other? a)
A
C
and
B
C
AC\text{ and }BC
A
C
and
B
C
b) None of the sides are perpendicular c)
A
B
and
B
C
AB\text{ and }BC
A
B
and
B
C
d)
A
B
and
A
C
AB\text{ and }AC
A
B
and
A
C
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