Answer:
120°
Explanation:
Recall:
The sum of interior angles if a parallelogram equals 360;
The sum of the angles can be defined as :
(x + 2x + x + 2x) = 360
6x = 360
x = 360/6
x = 60°
The angle BCD = 2x
Hence, angle BCD = 2(60°) = 120°
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