P=6a²
d=4 cm=a√2
4=a√2
a=4/√2
a=4√2/2
a=2√2 cm
P=6*(2√2)²
P=6*8
P=48 cm²
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P=6a²
d=4 cm=a√2
4=a√2
a=4/√2
a=4√2/2
a=2√2 cm
P=6*(2√2)²
P=6*8
P=48 cm²
a√2=4 po obliczeniach
a=2√2 to pole ściany
2√2*2√2=8cm²
Pole pow.casłk. 6*8=48cm²
d=a√2
a=2√2
Pc+6*a²
Pc=6*(2√2)²=6*8=48