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Mathematics
Mathematics
Problem
Two straight lines
A
B
AB
A
B
and
C
D
CD
C
D
intersect at point
O
O
O
. If
∠
A
O
C
=
68
∘
\angle AOC = 68^{\circ}
∠
A
O
C
=
6
8
∘
, find the measure of
∠
B
O
D
\angle BOD
∠
B
O
D
. a)
112
∘
112^{\circ}
11
2
∘
b)
90
∘
90^{\circ}
9
0
∘
c)
68
∘
68^{\circ}
6
8
∘
d)
22
∘
22^{\circ}
2
2
∘
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