Job Recruitment Website - Zhaopincom - Tie a ribbon on this gift box and calculate how many centimeters the ribbon is at least. (length 15cm, width 10cm, height 8cm, and it took 20cm to tie the knot).
Tie a ribbon on this gift box and calculate how many centimeters the ribbon is at least. (length 15cm, width 10cm, height 8cm, and it took 20cm to tie the knot).
Imagine the gift box tied with ribbons. Every face must be wrapped in a ribbon. Therefore, from the meaning of the question:
Ribbon length = upper surface+lower surface+four sides+knot length
The length of the ribbon should be at least =15x2+10x2+8x4+20 =102cm.
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