Sпир=a^2=12*12=144 см^2
Vпир=1/3*Sосн.*H=1/3*12*12*8=384 см^2
Ответ: 144 см^2, 384 см^2.
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Sпир=a^2=12*12=144 см^2
Vпир=1/3*Sосн.*H=1/3*12*12*8=384 см^2
Ответ: 144 см^2, 384 см^2.