Odpowiedzi

2009-10-24T13:35:00+02:00
H = 8
α=40

H/(1/2a) = tg α

1/2a = H/tgα
1/2a = 6 / 0,839
1/2a = 7,15
a = 14.3
Pp = a^2 = 204,49
V = 1/3 *Pp*H = 1/3 * 204,49 * 8 = 545,306
2009-10-24T14:39:21+02:00
H = 8
α=40

H/(1/2a) = tg α

1/2a = H/tgα
1/2a = 6 / 0,839
1/2a = 7,15
a = 14.3
Pp = a^2 = 204,49
V = 1/3 *Pp*H = 1/3 * 204,49 * 8 = 545,306
ODp. obietość tego ostrosłupa wynosi 545,306