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2014-05-25T10:44:38+03:00
A=L*l=32

L=2l

2l*l=32
2l²=32
l²=16  ⇒l=4

L=2*4=8

P=2l+2L=2*4+2*8=8+16= 24
2 5 2
2014-05-25T10:45:30+03:00

A=L*l

L=2l

32=2l*l

32=2l²

l²=16

l=√16

l=4

L=2*4

L=8

P=2(l+L)

P=2(4+8)

P=2*12

P=24