3 answers
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AB = BD = 3
Possible third sides:
1) CD = 2
2) AC = 7
A=-4
B=-1
C=3
D=4
Possible third sides:
1) CD = 2
2) AC = 7
So the 3rd side x must obey
5-3 < x < 5+3
2 < x < 8
so only
AC = 7
BC = 4
BD = 5
will work
1) AC = 7
2) BC = 4
3) BD = 5