Question

A wood cubical box costs 3840 at 250 per m². Find the volume and length of each side of the box.
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Answer 1

here is ur answer....

Total cost = ₹3840

Cost per meter = ₹250

∴ Area of cubical box = 3840/250 = 15.36m²

TSA = 6a²

6a² = 15.36

a²   = 15.36÷6

a² = 2.56

a   =  √2.56

Side = 1.6m

Volume = a³

             = 1.6×1.6×1.6

             = 4.1m²