Answer:
just add all the sides
Explanation:
perimeter = 3x + 2 + x +4 +3x + 2 + x + 4
Answer: 8x+12
perimeter equals (x+4) + (3x+2) + (x+4) + (3x+2) = x+4 + 3x+2 + x+4 + 3x+2 = 8x+12
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