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Standard X
Mathematics
Question
△
X
Y
Z
∼
△
D
E
F
for the correspondence XYZ
↔
EFD, If
X
Y
:
E
F
=
2
:
3
and the area
△
X
Y
Z
is
18
, then the area of
△
D
E
F
is ............
18
40.5
36
48
A
18
B
36
C
48
D
40.5
Open in App
Solution
Verified by Toppr
⇒
a
r
e
a
o
f
△
X
Y
Z
a
r
e
a
o
f
△
D
F
F
=
X
Y
2
E
F
2
⇒
18
△
D
E
F
=
4
9
a
r
e
a
(
△
D
E
F
)
=
9
×
9
2
=
40.5
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Similar Questions
Q1
△
X
Y
Z
∼
△
D
E
F
for the correspondence XYZ
↔
EFD, If
X
Y
:
E
F
=
2
:
3
and the area
△
X
Y
Z
is
18
, then the area of
△
D
E
F
is ............
View Solution
Q2
Correspondence ABC
↔
DEF of
△
A
B
C
and
△
D
E
F
is similarity . If
A
B
+
B
C
=
10
and
D
E
+
E
F
=
12
and
A
C
=
6
then
D
F
=
______
View Solution
Q3
∆
XYZ
~
∆
DEF; In
∆
DEF; DE = 5.5 cm,
∠
E = 40
°
, EF = 4.0 cm and
X
Y
D
E
=
6
5
then construct
∆
XYZ.