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Byju's Answer
Standard IX
Mathematics
Median of Triangle
In the given ...
Question
In the given figure, PQR is a triangle and S is any point in its interior. Show that
S
Q
+
S
R
<
P
Q
+
P
R
.
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Solution
Produce
Q
S
meet
P
R
at
T
In triangle
P
Q
T
P
Q
+
P
T
>
Q
T
Q
T
=
Q
S
+
S
T
$PQ + PT>
QS+ST$ .......(1)
In triangle
S
T
R
T
R
+
S
T
>
R
S
.......(2)
Adding equation (1) and (2)
P
Q
+
P
T
+
T
R
+
S
T
>
Q
S
+
S
T
+
R
S
$PQ+PR+ST>
QS+ST+RS$
P
Q
+
P
R
>
Q
S
+
R
S
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Similar questions
Q.
In the given figure,
P
Q
R
is a triangle and
S
is any point in its interior.
Show that
P
Q
+
P
R
>
S
Q
+
S
R
.
Q.
In Fig. PQR is a triangle and S is any point in its interior, show that SQ + SR < PQ +PR
Q.
In Fig.
P
Q
R
is a triangle and
S
is any point in iits interior. show that
S
Q
+
S
R
<
P
Q
+
P
R
Q.
If
S
is any point in the interior of
Δ
P
Q
R
, prove that
(
S
Q
+
S
R
)
<
(
P
Q
+
P
R
)
.
Q.
I the given figure, we have
P
Q
=
S
R
and
P
R
=
S
Q
.
Prove that
△
P
Q
R
≅
△
S
R
Q
.
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