Please help me... If I had a rectangle (8x9) with a smaller rectangle inside it (5x2 cm) making a hole in the middleis the perimeter just 8+8+9+9 or is it the inside edge too so, 8+8+9+8+5+5+2+2
Please help me... If I had a rectangle (8x9) with a smaller rectangle inside it (5x2 cm) making a hole in the middleis the perimeter just 8+8+9+9 or is it the inside edge too so, 8+8+9+8+5+5+2+2
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