Odpowiedzi

2010-01-23T14:43:26+01:00
A= 3cm
b= 9cm
Pp = a²
Pp = (3cm)²
Pp = 9cm²

Pb=4ab
Pb= 4*3cm*9cm
Pb = 108 cm²

Pc = 2Pp +Pb
Pc = 2* 9cm² + 1o8cm²
Pc = 126 cm²
2010-01-23T17:54:37+01:00
A = 3cm
b = 9cm
Pp = 3cm²
Pp = 9cm²

Pb = 4*3cm*9cm
Pb = 108 cm²

Pc = 2*9cm² + 108cm²
Pc = 126 cm²

Odp: Pole tego graniastosłupa wynosi 126 cm².