sarv3nte
sarv3nte sarv3nte
  • 25-09-2021
  • Mathematics
contestada

How much wrapping is needed for a package that is 4 in. wide, 7 in. high, and 15 in. long?

Respuesta :

Аноним Аноним
  • 25-09-2021
  • L=15in
  • B=4in
  • H=7in

[tex]\\ \rm\longmapsto TSA=2(LB+BH+LH)[/tex]

[tex]\\ \rm\longmapsto TSA=2(14\times 4+4\times 7+15\times 7)[/tex]

[tex]\\ \rm\longmapsto TSA=2(56+28+105[/tex]

[tex]\\ \rm\longmapsto TSA=2(189)[/tex]

[tex]\\ \rm\longmapsto TSA=378in^2[/tex]

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