Odpowiedzi

2009-11-25T17:25:41+01:00
Pw = 72/360 * 2 * pi * 5
Pw = 1/5 * pi * 5
Pw = pi
2009-11-25T17:29:15+01:00
Pw= α/360 x πrkwadrat
Pw= 72/360 π5kwadrat
Pw= 1/5 x 25 π
Pw=5π
2009-11-25T17:33:12+01:00
72/360* (pi)*5*5=72/360*pi*25=72/360*78,5=15,7