Odpowiedzi

2010-03-10T17:45:30+01:00
P = a * h
10,2 = 8,5 * h /2 /*2
20,4 = 8,5 * h /:h
20,4/h = 8,5
20,4: 8,5 = 2,4 (h)
ta daam xd
2010-03-10T17:46:56+01:00
P-pole 10,2cm^2
a-8,5cm

P=(a*h):2
10,2=(8,5*h):2\*2
20,4=8,5*h\ :8,5
2,4[cm]=h
2010-03-10T17:47:25+01:00
P=10,2
a=8,5
h=?

P=1/2*a*h
10,2=1/2*8,5*h
10,2=4,25*h
h=10,2:4,25
h=2,4

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