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Byju's Answer
Standard VI
Mathematics
Linear Pair
In the given ...
Question
In the given figure, AB is a straight line. If
∠
A
O
C
=
50
∘
and
∠
D
O
B
=
60
∘
, then x =
___
___
.
A
60
∘
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B
70
∘
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C
80
∘
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D
90
∘
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Solution
The correct option is
B
70
∘
50
∘
+
60
∘
+
x
∘
=
180
∘
...(angles on a straight line)
110
∘
+
x
∘
=
180
∘
∴
x
=
70
∘
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In the given figure, AOB is a straight line. If ∠AOC = (3x
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°, ∠COD = 50° and ∠BOD = (x + 20)°, then ∠AOC = ?
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(b) 60°
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