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22-05-2018
Mathematics

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1-
A box is being covered with wrapping paper. What is the total surface area of the boxin inches? A 153in2C 306in2B 208in2D 514in2

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calculista calculista

04-06-2018

we know that
surface area total=2*area of the base+perimeter f the base*height

the dimensions of the box are
9 in x 17 in x 4 in
so
area of the base=9*17-----> 153 in²
perimeter of the base=2*[9+17]-----> 52 in

height of the box=4 in
surface area total=2*153+52*4----> 306+208-----> 514 in²

the answer is
514 in²

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