1.

Find the volume of a cubical box whose surface area is 484cm²​

Answer»

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EDGE = a

Surface AREA = 6a² = 486cm²

6a² = 486cm²

{a}^{2}  =  \frac{486}{2 {}^{} }

= 81

a = √81

a = 9cm

Edge = a = 9cm

Volume = a³ = 9³ = 729³

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