Respostas

2014-01-24T11:22:29-02:00
Area da base : 

A b = a ^{2}  \\ Ab = 3 ^{2}  \\  Ab = 9


area total : 

At = Al + 2Ab \\ At = 7 + 2.9 \\ At = 7 + 18 \\ At = 25


volume : 

V = a ^{2} .b \\ V = 3 ^{2} .7 \\ V = 9 . 7 \\ V = 63


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