Odpowiedzi

2009-04-16T21:55:14+02:00
H/8 = sin60
H = 4√3 cm

c² = 8² - H²
c = 4 cm

c = a√2
a = 2√2 cm

V = a² × H
V = 32√3 cm³

Ppc = 2a² + 4a × H
Ppc = 16 + 32√6 cm²