What will be the area of entire surface of a cube formed by putting 8 cubes of side 8 cm together ?

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Solution

$Dear student, Due to putting 8 cubes side by side, only length will be changed and no change in breadth and height . New length = 8 \times 8 = 64 cm Breadth = 8 cm Height = 8 cm Total surface area = 2 (lb + bh + hl) = 2 (64 \times 8 + 8 \times 8 + 8 \times 64) = 2176 {cm}^{2} Regards$

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What will be the area of entire surface of a cube formed by putting 8 cubes of side 8 cm together ?

Dear student,Due to putting 8 cubes side by side, only length will be changed and no change in breadth and height.New length=8×8=64cmBreadth=8cmHeight=8cmTotal surface area=2(lb+bh+hl)=2(64×8+8×8+8×64)=2176cm2Regards

$Dear student, Due to putting 8 cubes side by side, only length will be changed and no change in breadth and height . New length = 8 \times 8 = 64 cm Breadth = 8 cm Height = 8 cm Total surface area = 2 (lb + bh + hl) = 2 (64 \times 8 + 8 \times 8 + 8 \times 64) = 2176 {cm}^{2} Regards$