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Mathematics
Mathematics
Problem
In quadrilateral
L
M
N
O
LMNO
L
M
N
O
, the angles
∠
L
N
O
\angle LNO
∠
L
N
O
and
∠
L
M
O
\angle LMO
∠
L
M
O
are each
70
∘
70^\circ
7
0
∘
. If
∠
N
L
M
=
45
∘
\angle NLM = 45^\circ
∠
N
L
M
=
4
5
∘
, then
∠
N
O
M
\angle NOM
∠
N
O
M
equals a)
110
∘
110^{\circ}
11
0
∘
b)
135
∘
135^{\circ}
13
5
∘
c)
45
∘
45^{\circ}
4
5
∘
d)
90
∘
90^{\circ}
9
0
∘
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