Odpowiedzi

2009-11-30T15:58:39+01:00
8 = a√2 /:√2
8:√2 = a
a=4√2

P = 4√2*4√2
P = 16*2
P = 32
2009-11-30T16:01:09+01:00
8=a√2
4√2=a

P=(4√2)²
P=32cm²