25-10-2016
Mathematics

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find the surface area of a square prism with a width of 7cm and a height of 10 cm, if the formula is A=2w^2+4hw

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25-10-2016

plug it in

w=7
h=10
A=2(7)^2+4(10)(7)
A=2(49)+280
A=98+280
A=378cm^2

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