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3.2 In the diagram below, ABCD is a parallelogram with Đ=9x-30° and B = 4x+20° 9.-30 B a 420 - 3.2.1 Calculate with reasons the value of x.​

User Maltysen
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Answer:

D=9×30 and B=4x+20°=9.-30 B a 420

User Alpedar
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