Odpowiedzi

2010-03-28T22:50:13+02:00
V = Pp × H
V = 6 × Ptrójkąta × H
V = 6 × a²√3÷4 × 18 = 6 × 5²√3÷4 × 18 = 6 × 25√3÷4 × 18 = 37,5√3 × 18 = 675√3cm³

Pc = Pb + 2Pp
Pc = 6×5×18 + 2×6×25√3÷4 = (540 + 75√3)cm²
4 5 4
2010-03-28T22:52:52+02:00
2010-03-28T22:57:42+02:00