A jewelry box is to be gift-wrapped. If the dimension of the box is 4 cm. long, 3 cm. wide , and 5 cm. high, what is the minimum wrapping paper needed?
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Dimension of the box =
4cm × 3cm × 5cm
the minimum wrapping paper needed = TSA of box
= 2(lb +bh + hl )
= 2 ( 4×3 + 3×5 + 5×4 ) cm²
= 2 ( 12 +15 +20 ) cm²
= 2 × 47 cm²
= 94 cm²
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