Question

3 cubes each of volume 64 cm³ are joined end to end. The surface area of the resulting cuboid Is

Answer 1

224 cm2

Step-by-step explanation:

3 cubes to each volume is 64 then the side of cube =4

then surface are is 224 square cm

Answer 2

Answer:

192 cm²

Step-by-step explanation:

Side of the cube=4 cm as volume is 4³

Surface are of one side= 4*4=16 cm²

By joining 3 cubes we lose 2*2=4 sides

So surface area of cuboid  consist of= 3*6 - 4 sides=  12 sides and is equal to 12*16 cm² = 192 cm²

Hope it helps

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