the volume of a cubical box whose surface area is 486 sq cm
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Answer:
729 cm³
Step-by-step explanation:
Edge = a
Surface area = 6a² = 486 cm²
6a² = 486 cm²
a² = 486 /6
a² = 81
a = √81
a = 9 cm
Edge = a = 9 cm
Volume = a³ = 9³ = 729 cm³
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