Pc = 2 • ( 1 cm • 2,5 cm + 1 cm • 4 cm + 2,5 cm • 4 cm ) = 2 • ( 2,5 cm2 + 4 cm2 + 10 cm2 ) = 2 • 16,5 cm2 = 33 cm2
V = 1 cm • 2,5 cm • 4 cm = 10 cm3
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Pc = 2 • ( 1 cm • 2,5 cm + 1 cm • 4 cm + 2,5 cm • 4 cm ) = 2 • ( 2,5 cm2 + 4 cm2 + 10 cm2 ) = 2 • 16,5 cm2 = 33 cm2
V = 1 cm • 2,5 cm • 4 cm = 10 cm3