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CHECK ATTACHMENT C:

Answer:
x= 32°
Step-by-step explanation:
2(2x-20) + 2(4x+8)= 360
4x+8x-40+16=360
12x=384
x=32°
Answer:
x = 32°
Step-by-step explanation:
given two pairs of angles similar.
a trapezoid has total 360° interior angle.
thus solve: