a closed box 20 cm long,16 cm broad and 12 cm high is to be made from a sheet of metal . How much sheet will be required?

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a closed box 20 cm long,16 cm broad and 12 cm high is to be made from a sheet of  metal . How much sheet will be required?​

Isabelle · Answer

Answer:   this will be the correct ANSWER.

Ivy · Answer

length- 20cm  breadth - 16cm  height - 12cm  Total Surface Area - 2(lb+ bh+ hl)   2(20  times 16 + 16  times 12 + 20  times 12)    2(320 + 192 + 240)    2(752)    1504

Mackenzie

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a closed box 20 cm long,16 cm broad and 12 cm high is to be made from a sheet of metal . How much sheet will be required?​