Odpowiedzi

2010-02-11T16:43:27+01:00
Pole = 4πr²
P = (4*3π)² = (12π)²
P = 144π²

obj:
V = 4/3πr³
V = (4/3*3π)³
V = (12/3π)³
V = (4π)³
V = 64π³
2010-02-11T16:45:35+01:00
Wzory:
V=4/3 PI*r do3
P=4PI*r do2
r=3
V=4/3*PI*3do3(27)
V=108/3PI
V=36PI j do3

P=4Pi*3do2(9)
P=36PI j do2