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Mathematics
Mathematics
Problem
In a circle, chord
A
B
AB
A
B
subtends
∠
A
C
B
=
55
∘
\angle ACB = 55^{\circ}
∠
A
C
B
=
5
5
∘
at point
C
C
C
on the circumference. At another point
D
D
D
on the same side of
A
B
AB
A
B
, the same chord subtends an angle of
(
3
x
+
10
)
∘
(3x + 10)^{\circ}
(
3
x
+
10
)
∘
. Find the value of
x
x
x
.
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