stitchrz
stitchrz stitchrz
  • 01-10-2018
  • Mathematics
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i need help the answer I have isn't working

i need help the answer I have isnt working class=

Respuesta :

jimrgrant1 jimrgrant1
  • 01-10-2018

difference = 3 ft²

Surface area of box J

= 2( 4.5 × 3 ) + 2( 2 × 3 ) + 2( 4.5  × 2 ) = 27 + 12 + 18 = 57 ft²

Surface area of box F

note that F is a cube with 6 square faces = 6( 3 × 3 ) = 54 ft²

difference = 57 - 54 = 3 ft²


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