How much gift wrapper will be used in wrapping a box which is 12cm lon

1.	How much gift wrapper will be used in wrapping a box which is 12cm long, 9 cm wide and 7 cm high?a. 510cmb. 500cmc. 255cmd. 250cm
Answer» ANSWER: Answer is OPTION (a) Step-by-step EXPLANATION: $total \: surface \: area \: of \: cuboid \: =2 (lb + bh + lh) \\ = 2(12 \times 9 + 9 \times 7 + 12 \times 7) \\ = 2(108 + 63 + 84) \\ = 2(255) \\ = 510cm$

How much gift wrapper will be used in wrapping a box which is 12cm long, 9 cm wide and 7 cm high?a. 510cmb. 500cmc. 255cmd. 250cm

Answer»

Answer is OPTION (a)

Step-by-step EXPLANATION:

$total \: surface \: area \: of \: cuboid \: =2 (lb + bh + lh) \\ = 2(12 \times 9 + 9 \times 7 + 12 \times 7) \\ = 2(108 + 63 + 84) \\ = 2(255) \\ = 510cm$

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How much gift wrapper will be used in wrapping a box which is 12cm long, 9 cm wide and 7 cm high?a. 510cmb. 500cmc. 255cmd. 250cm

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