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Mathematics
Mathematics
Problem
Lines
l
l
l
and
m
m
m
are parallel and cut by a transversal. The measures of the two consecutive interior angles are
(
5
x
+
10
)
∘
(5x+10)^{\circ}
(
5
x
+
10
)
∘
and
(
7
x
−
10
)
∘
(7x-10)^{\circ}
(
7
x
−
10
)
∘
. Find the value of
x
x
x
. a)
12
12
12
b)
18
18
18
c)
15
15
15
d)
10
10
10
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