Question

If each side of a cube is doubled, then its surface
area becomes____________ times.​

Answer 1

Answer:

4 times

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Answer 2

Answer:

4 Times

Step-by-step explanation:

$let \: s (side) \: = x \: cm \\ therefore \: suraface \: area = 6 {x}^{2} \\ if \: s \: \: is \: doubled \\ new \: s \: = \: 2x \: cm \\ new \: surface \: area \: = 6 \times {(2x)}^{2} = 24 {x}^{2} \\ dividing \: new \: surface \: area \: by \: old \: surface \: area \\ = \frac{24 {x}^{2} }{6 {x}^{2} } \\ = 4 \: \: \: \: \: \: \: \:$

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