Odpowiedzi

2010-02-05T14:09:29+01:00
A=5,6m
h=23dm=2,3m
p=a*h /2
p=5,6*2,3 /2
p= 12,88 /2
p= 6,44m
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2010-02-05T14:09:33+01:00
A = 5,6 m h = 23 dm = 2,3 m
P = ah/2
P = 5,6 * 2,3 / 2 = 6,44 (dm2)
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2010-02-05T14:10:36+01:00
A=5,6m=56dm
b=23dm

p=0,5 a*h

p=0,5(56*23)
p=0,5*1288
p= 644 dm₂
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