Odpowiedzi

2009-11-10T12:14:03+01:00
a* h / 2 = a * √3 / 2 * 1/2 = √3 /4a²
√3 /4a² = √3

a² /4 = 1
a² = 4
a= 2

tg 30⁰ = H / 2a/3 = 3H/4

√3/3 =3H/4

H= 4√3 / 9

V = Pp * H = √3 * 4√3 / 9 = 12/9 = 4/3