A cubical box has an edge of 7 cm and another cuboidal box has dimensions of 7cm ,6cm and 8cm . Which box has greater total surface area and by how much?
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Answer:
Cube has more surface area
Step-by-step explanation:
Cube surface area = 6*7*7 = 294 cm^2
Cuboid surface area = 2*(6*7 + 6*8 +7*8)
=2*(42+48+56)
=2*146
= 292 cm^2
Cube has more surface area
294-292 = 2 cm^2
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