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Mathematics
Problem
Consider a cyclic quadrilateral
A
B
C
D
ABCD
A
B
C
D
where sides
A
B
AB
A
B
,
B
C
BC
B
C
,
C
D
CD
C
D
are
5
5
5
,
5
5
5
, and
8
8
8
respectively, and the diagonal
A
C
AC
A
C
is
8
8
8
. Determine the length of the fourth side
A
D
AD
A
D
.
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