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Mathematics
Mathematics
Problem
16. In the triangle ABC with vertices
A
(
2
,
3
)
,
B
(
4
,
−
1
)
\mathrm{A}(2,3), \mathrm{B}(4,-1)
A
(
2
,
3
)
,
B
(
4
,
−
1
)
and
C
(
1
,
2
)
\mathrm{C}(1,2)
C
(
1
,
2
)
, find the equation and length of altitude from the vertex
A
A
A
.
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