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Mathematics
Mathematics
Problem
In a circle with centre
O
O
O
, chords
P
Q
PQ
P
Q
and
R
S
RS
R
S
subtend angles
(
3
x
+
10
)
∘
(3x+10)^\circ
(
3
x
+
10
)
∘
and
(
5
x
−
20
)
∘
(5x-20)^\circ
(
5
x
−
20
)
∘
respectively at
O
O
O
. If the two chords are equal in length, what is the value of
x
x
x
? a)
24
24
24
b)
15
15
15
c)
10
10
10
d)
46
46
46
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