Odpowiedzi

2010-04-14T21:03:03+02:00
H=146m
a=230m

dp = 230√2
1/2 dp = 115√2

H² + 1/2dp² = l²
146² + (115√2)² = l²
21316 + 26450 = l²
l² = 47766
l = ok. 218,6