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Mathematics
Mathematics
Problem
In
△
A
B
C
\triangle ABC
△
A
B
C
,
D
D
D
and
E
E
E
are the midpoints of
A
B
AB
A
B
and
A
C
AC
A
C
respectively. Which of the following relations is always true? a)
D
E
=
B
C
DE = BC
D
E
=
B
C
b)
D
E
=
1
2
B
C
DE = \dfrac{1}{2}\,BC
D
E
=
2
1
B
C
c)
D
E
=
2
B
C
DE = 2\,BC
D
E
=
2
B
C
d)
D
E
=
1
4
B
C
DE = \dfrac{1}{4}\,BC
D
E
=
4
1
B
C
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