leannaadrian
leannaadrian leannaadrian
  • 15-03-2018
  • Mathematics
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Please anyone who can honestly work this out correctly

Please anyone who can honestly work this out correctly class=

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kkaasshh
kkaasshh kkaasshh
  • 15-03-2018
The formula for the surface area is  2(lw + lh + wh). So all you have to do is plug the values in. Box A:2(lw + lh + wh)2( (4x6) + (4x25) + (6x25) ). 2(24+100+150)2(274)548=Surface Area
Box B:2(lw + lh + wh)2( (9x5) + (9x11) + (5x11) ). 2(45+99+55)2(199)398=Surface Area
Box C:2(lw + lh + wh)2( (10x5) + (10x8) + (5x8) ). 2(50+80+40)2(170)340=Surface Area]
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