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Byju's Answer
Standard VIII
Mathematics
Vertically Opposite Angles
In the given ...
Question
In the given figure, lines
P
Q
and
R
S
intersect at point
O
. If
∠
1
=
53
o
, find all other angles.
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Solution
Since
P
Q
and
R
S
are two lines intersecting each other, thus
∠
1
=
∠
3
(
Vertically opposite angle
)
∠
2
=
∠
4
(
Vertically opposite angle
)
Now,
∠
1
=
53
°
=
∠
3
Also,
∠
1
+
∠
2
=
180
°
(
Linear pair of angles
)
⇒
∠
2
=
180
°
−
53
°
=
127
°
∴
∠
4
=
∠
2
=
127
°
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In the given figure, lines PQ and RS intersect each other at point O. If ∠POR: ∠ROQ = 5 : 7, find all the angles.