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Byju's Answer
Standard X
Mathematics
Solving Simultaneous Linear Equation Using Cramer's Rule
O is any poin...
Question
O is any point in the interior of
Δ
A
B
C
.
then
A
B
+
A
C
<
O
B
+
O
C
is true /false
A
True
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B
False
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Solution
The correct option is
B
False
Here,
O
is any point in the interior of
△
A
B
C
.
E
,
F
points on sides
A
B
and
A
C
.
We know that, the sum of any two sides of triangle is always greater than third.
In
△
A
B
F
A
B
+
A
F
>
B
F
A
B
+
A
F
>
O
B
+
O
F
------ ( 1 )
In
△
C
O
F
C
F
+
O
F
>
O
C
------ ( 2 )
Adding equations ( 1 ) and ( 2 ) we get,
⇒
A
B
+
A
F
+
C
F
+
O
F
>
O
B
+
O
F
+
O
C
⇒
A
B
+
A
F
+
C
F
>
O
B
+
O
C
⇒
A
B
+
A
C
>
O
B
+
O
C
∴
We can see given statement in question id false.
Suggest Corrections
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Similar questions
Q.
O
is any point in the interior of
Δ
A
B
C
.
then
A
B
+
B
C
+
C
A
<
O
A
+
O
B
+
O
C
that is ?
Q.
O is any point in the interior of Δ ABC. Prove that
(i) AB + AC > OB + OC
(ii) AB + BC + CA > OA + OB + OC
(iii) OA + OB + OC >
1
2
(AB + BC + CA)