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2010-02-28T11:19:57+01:00
A)
p=2ab+2ah+2bh
p=2*4*2+2*4*6+2*2*6
p=16+48+24
p=88

B)P=2Pp+Pb
P=2(ah/2)+18
P=2(4*3/2)+18
P=2*6+18
P=12+18=30

C)P=2Pp+Pb
P=2(4²√3/4)+24
P=2(16√3/4)+24
P=2*4√3+24
P=32√3

d)P=2ab+2ah+2bh
P=2*9+2*18+2*18
p=18+36+36
P=90
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