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Mathematics
Mathematics
Problem
In
△
A
B
C
\triangle ABC
△
A
B
C
, points
D
D
D
and
E
E
E
are the midpoints of
A
B
AB
A
B
and
A
C
AC
A
C
respectively. Which one of the following statements is ALWAYS true? a)
B
D
=
D
C
BD = DC
B
D
=
D
C
b)
D
E
=
B
C
DE = BC
D
E
=
B
C
c)
D
E
∥
B
C
DE \parallel BC
D
E
∥
B
C
d)
D
E
⊥
B
C
DE \perp BC
D
E
⊥
B
C
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