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Mathematics
Mathematics
Problem
In a circle with centre
O
O
O
,
∠
A
O
B
=
∠
C
O
D
\angle AOB = \angle COD
∠
A
O
B
=
∠
C
O
D
. If
A
B
=
(
2
x
+
1
)
cm
AB = (2x + 1)\,\text{cm}
A
B
=
(
2
x
+
1
)
cm
and
C
D
=
(
5
x
−
11
)
cm
CD = (5x - 11)\,\text{cm}
C
D
=
(
5
x
−
11
)
cm
, find the value of
x
x
x
.
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