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Mathematics
Mathematics
Problem
If
△
A
B
C
∼
△
E
D
F
\triangle ABC \sim \triangle EDF
△
A
B
C
∼
△
E
D
F
and
△
A
B
C
\triangle ABC
△
A
B
C
is not similar to
△
D
E
F
\triangle DEF
△
D
E
F
, then which of the following is not true? (a)
B
C
⋅
E
F
=
A
C
⋅
F
D
BC \cdot EF = AC \cdot FD
B
C
⋅
E
F
=
A
C
⋅
F
D
(b)
A
B
⋅
E
F
=
A
C
⋅
D
E
AB \cdot EF = AC \cdot DE
A
B
⋅
E
F
=
A
C
⋅
D
E
(c)
B
C
⋅
D
E
=
A
B
⋅
E
F
BC \cdot DE = AB \cdot EF
B
C
⋅
D
E
=
A
B
⋅
E
F
(d)
B
C
⋅
D
E
=
A
B
⋅
F
D
BC \cdot DE = AB \cdot FD
B
C
⋅
D
E
=
A
B
⋅
F
D
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