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Mathematics
Mathematics
Problem
In parallelogram
A
B
C
D
ABCD
A
B
C
D
, the measures of two consecutive angles are
∠
A
=
2
y
+
10
∘
\angle A = 2y + 10^{\circ}
∠
A
=
2
y
+
1
0
∘
and
∠
B
=
5
y
−
40
∘
\angle B = 5y - 40^{\circ}
∠
B
=
5
y
−
4
0
∘
. Determine the values of
∠
A
\angle A
∠
A
and
∠
B
\angle B
∠
B
.
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