Odpowiedzi

2010-04-14T18:55:25+02:00
V = PP *H
pp = a²√3/4
36√3 / 3 = pp
12√3 = pp

12√3 = a²√3/4 | *4
48√3 = a²√3

48 = a²
√48 = a = 4√3
2 1 2
2010-04-14T18:56:02+02:00
V = 36√3
H = 3
a = ?

V = ⅓Pp*H
36√3 = ⅓*3*Pp
Pp = 36√3

Pp = a²√3/4
a²√3/4 = 36√3
a²/4 = 36
a² = 144
a = 12
1 5 1