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Byju's Answer
Standard VII
Mathematics
Congruent Figures
From the foll...
Question
From the following data, state if
△
A
B
C
∼
△
D
E
F
or not.
∠
B
=
65
o
,
∠
C
=
82
o
,
∠
D
=
33
o
,
∠
F
=
65
o
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Solution
In
△
A
B
C
,
∠
B
=
65
o
,
∠
C
=
82
o
∴
∠
A
=
180
o
−
(
65
o
+
82
o
)
=
180
o
−
147
o
=
33
o
In
△
D
E
F
,
∠
D
=
33
o
,
∠
F
=
65
o
∴
∠
E
=
180
o
−
(
33
o
+
65
o
)
=
180
o
−
98
o
=
82
o
∴
∠
A
=
∠
D
,
∠
B
=
∠
F
and
∠
C
=
∠
E
⇒
△
A
B
C
∼
△
D
E
F
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0
Similar questions
Q.
In
△
A
B
C
,
∠
A
=
75
o
,
∠
B
=
65
o
find
∠
C
Q.
If in the triangles
A
B
C
and
D
E
F
, angle
A
is equal to angle
E
, both are equal to
40
o
,
A
B
:
E
D
=
A
C
:
E
F
and angle
F
is
65
o
, then angle
B
is:
Q.
Construct incircle of
△
D
E
F
in which DE = EF = 5.8 cm and
∠
D
E
F
=
65
o
.
Q.
In the given figure, if
∠
B
=
∠
A
C
B
=
65
o
and
∠
D
=
30
o
, then
Q.
If
△
A
B
C
∼
△
P
Q
R
and
∠
A
=
30
o
.
∠
R
=
65
o
then find
∠
Q
.
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