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Mathematics
Mathematics
Problem
In parallelogram
A
B
C
D
ABCD
A
B
C
D
, diagonals
A
C
AC
A
C
and
B
D
BD
B
D
intersect at
O
O
O
. If
A
O
=
2
x
−
1
AO = 2x - 1
A
O
=
2
x
−
1
and
O
C
=
x
+
5
OC = x + 5
O
C
=
x
+
5
, where the lengths are in centimetres, find the value of
x
x
x
and the length of diagonal
A
C
AC
A
C
.
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