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Byju's Answer
Standard VI
Mathematics
Perpendicular Lines and Perpendicular Bisector
In Figure , ...
Question
In Figure ,
P
O
Q
is a line.
Ray
O
R
is perpendicular to line
P
Q
.
O
S
is another ray lying between rays
O
P
and
O
R
Prove that:
∠
R
O
S
=
1
2
(
∠
Q
O
S
−
∠
P
O
S
)
.
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Solution
REF. Image
∠
S
O
R
=
∠
T
O
R
∠
R
O
S
=
∠
R
O
T
∠
S
O
T
=
∠
Q
O
S
−
∠
Q
O
T
∠
S
O
T
=
∠
Q
O
S
−
∠
P
O
S
. .................
(
∠
P
O
S
=
∠
Q
O
T
=
90
∘
−
θ
)
2
∠
R
O
S
=
∠
Q
O
S
−
∠
P
O
S
.........................
(
∠
S
O
T
=
∠
R
O
S
+
∠
R
O
T
)
∠
R
O
S
=
1
2
(
∠
Q
O
S
−
∠
P
O
S
)
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5
Similar questions
Q.
In Fig.
P
O
Q
is a line. Ray
O
R
is perpendicular to line
P
Q
.
O
S
is another ray lying between rays
O
P
and
O
R
. Prove that
∠
R
O
S
=
1
2
(
∠
Q
O
S
−
∠
P
O
S
)
.
Q.
In the given figure, POQ is a line. Ray OR is perpendicular to line PQ. OS is another ray lying between rays OP and OR. Prove that ∠ROS =
1
2
(∠QOS − POS).