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Byju's Answer
Standard X
Mathematics
Relation between Areas and Sides of Similar Triangles
If the areas ...
Question
If the areas of two similar triangles are equal, prove that they are concurrent.
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Solution
L
e
t
△
l
e
s
b
e
△
A
B
C
&
△
D
E
F
.
B
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t
h
△
l
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s
a
r
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s
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m
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a
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.
⟹
△
A
B
C
∼
△
D
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F
a
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a
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a
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q
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.
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,
a
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△
A
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=
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△
D
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F
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.
a
r
(
△
A
B
C
)
a
r
(
△
D
E
F
)
=
(
B
C
E
F
)
2
=
(
A
B
D
E
)
2
=
(
A
C
D
F
)
2
(
g
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a
s
△
A
B
C
=
△
D
E
F
)
1
=
(
B
C
E
F
)
2
=
(
A
B
D
E
)
2
=
(
A
C
D
F
)
2
1
=
(
B
C
E
F
)
2
⟹
1
=
B
C
E
F
∴
B
C
=
E
F
1
=
(
A
B
D
E
)
2
1
=
A
B
D
E
A
B
=
D
E
1
=
(
A
B
D
E
)
2
A
C
=
D
F
I
n
△
A
B
C
&
△
D
E
F
E
F
=
B
C
,
A
B
=
D
E
,
A
C
=
D
F
H
e
n
c
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b
y
S
S
S
c
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n
g
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n
c
y
.
△
A
B
C
≅
△
D
E
F
h
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n
c
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p
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o
v
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d
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Q.
If the areas of two similar triangles are equal, prove that they are congruent.