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Mathematics
Mathematics
Problem
In parallelogram
J
K
L
M
JKLM
J
K
L
M
,
∠
J
=
(
2
z
+
10
)
∘
\angle J = (2z + 10)^{\circ}
∠
J
=
(
2
z
+
10
)
∘
and
∠
L
=
(
5
z
−
50
)
∘
\angle L = (5z - 50)^{\circ}
∠
L
=
(
5
z
−
50
)
∘
. Find the value of
z
z
z
. a)
15
15
15
b)
20
20
20
c)
30
30
30
d)
40
40
40
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