helpmeplease1944 helpmeplease1944

19-04-2018
Mathematics

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sqdancefan sqdancefan

19-04-2018

S = 2(LW +H(L +W))
= 2(2.2*3.0 +7.5(2.2 +3.0))
= 2(6.6 +7.5*5.2)
= 91.2 . . . . cm²

The appropriate choice is
4) 91.2

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