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Mathematics
Problem
Quadrilateral LMNO has
L
M
∥
N
O
LM \parallel NO
L
M
∥
N
O
. Which single additional fact will guarantee that LMNO is a parallelogram? a)
L
N
=
M
O
LN = MO
L
N
=
M
O
b)
∠
L
N
M
=
∠
M
N
O
\angle LNM = \angle MNO
∠
L
N
M
=
∠
M
N
O
c)
L
M
=
N
O
LM = NO
L
M
=
N
O
d)
L
N
LN
L
N
bisects
M
O
MO
M
O
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