xljoshlx16
xljoshlx16 xljoshlx16
  • 02-07-2018
  • Mathematics
contestada

need help with this probelm pls

need help with this probelm pls class=

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musiclover10045
musiclover10045 musiclover10045
  • 02-07-2018
Surface area is measured in square units.

Since the ratio of the edges is 3:1 the ratio for the surface area would become 3^2: 1^2 which is 9:1.

The answer is B
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