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Byju's Answer
Standard XII
Mathematics
Condition for Two Lines to Be Parallel
In the given ...
Question
In the given figure,
A
B
|
|
C
D
|
|
E
F
and
G
H
|
|
K
L
. Find
x
.
A
85
o
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B
145
o
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C
120
o
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D
95
o
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Solution
The correct option is
B
145
o
∠
C
H
G
and
∠
G
H
D
are supplementary angles.
∠
C
H
G
+
∠
G
H
D
=
180
∘
⇒
∠
G
H
D
=
120
∘
We can observe that
∠
G
H
K
and
∠
H
K
L
are alternate interior angles.
∴
∠
H
K
L
=
∠
G
H
K
⇒
∠
H
K
L
=
∠
G
H
D
+
∠
D
H
K
⇒
∠
H
K
L
=
145
∘
Hence, option B is correct.
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Similar questions
Q.
In the given figure, AB || CD || EF and GH || KL. Find the ∠HKL.