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Mathematics
Mathematics
Problem
In
△
A
B
C
\triangle ABC
△
A
B
C
, point
D
D
D
is on
A
B
AB
A
B
and point
E
E
E
is on
A
C
AC
A
C
. If
D
E
∥
B
C
DE \parallel BC
D
E
∥
B
C
, which of the following pairs of triangles are similar? a)
△
A
B
D
and
△
A
E
C
\triangle ABD \text{ and } \triangle AEC
△
A
B
D
and
△
A
E
C
b)
△
A
D
E
and
△
A
B
C
\triangle ADE \text{ and } \triangle ABC
△
A
D
E
and
△
A
B
C
c)
△
A
D
E
and
△
A
C
B
\triangle ADE \text{ and } \triangle ACB
△
A
D
E
and
△
A
C
B
d)
△
B
D
E
and
△
A
B
C
\triangle BDE \text{ and } \triangle ABC
△
B
D
E
and
△
A
B
C
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