Odpowiedzi

2009-11-14T11:45:40+01:00
A) a' = 8 * 5 = 40
b' = 12 * 5 = 60
c' = 16 * 5 = 90

L = a' + b' + c' = 40 + 60 + 90 = 190 cm

b) a' = 1/8 * 5 = 5/8
b' = 1/8 * 12 = 3/2 = 12/8
c' = 1/8 * 16 = 2

L = 5/8 + 12/8 + 16/8 = 33/8 = 4 i 1/8
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2009-11-14T11:45:37+01:00
A=8*5= 40
b=12*5=60
c=16*5=80

Obw= 40+60+80= 180cm

a=¹/₈ * 8=1
b=1,5
c=2
obw=4,5cm
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