A cube is divided into 8 equal small cubes.Find the side of one small cube if the sides of original cube is a.
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Answer:
6b²
Step-by-step explanation:
Surface area of original cube is 6b² Volume of cube is b³
Volume of smaller cube is b³/8, which
implies side length of smaller cube is b/2 Surface area of 8 smaller cubes
combined is 8 x 6 x b/2² = 12b²
Difference is 12b² − 6b² = 6b²
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