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Byju's Answer
Other
Quantitative Aptitude
Circles
In the given ...
Question
In the given figure PA and PB are tangents to a circle with centre O. If
∠
A
P
B
=
(
2
x
+
3
)
∘
and
∠
A
O
B
=
(
3
x
+
7
)
∘
, then find the value of x.
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Solution
Sum of opposite angles in a quadilateral =
180
∘
∠
A
P
B
+
∠
A
O
B
=
180
∘
(2x+3)+(3x+7) =
180
∘
5x+10 =
180
∘
5x =
170
∘
x = 34
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