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Mathematics
Problem
The sides of a triangle are three consecutive positive integers
k
,
k
+
1
,
k
+
2
k,\,k+1,\,k+2
k
,
k
+
1
,
k
+
2
. For which value of
k
k
k
does the triangle become right-angled? a)
k
=
4
k=4
k
=
4
b)
k
=
2
k=2
k
=
2
c)
k
=
3
k=3
k
=
3
d)
k
=
6
k=6
k
=
6
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