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20-02-2015
Mathematics

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A cube has a surface area of 72 in2.

Find the surface area of a scaled image with a scale factor of 1.5.

in2

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apologiabiology apologiabiology

20-02-2015

so assuming scaled down it is
1:1.5 or
2:3
so
72 is the 3 units
divide 72 by 3
72/3=14
14 times 2=28

the surface area=28 in^2

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