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2014-06-11T15:12:53+03:00


P=2(L+l)

p=2(6+2)

p=2*8

p=16


p=2(8+5)

p=2*13

=26


p=2(15+9)

p=2*24

p=48

2014-06-11T15:13:40+03:00
A) P=2x6+2x2= 12+4=16 cm 
B) P=2x8+2x5=16x10=26dm 
c) P=2x15+2x9=30+18=48m 
P=2xL+ 2xl
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