Odpowiedzi

2010-03-22T21:41:01+01:00
Pb=Pi r do kiwadratu
Pb=Pi x 6 do kwadratu
Pb=36Pi
2010-03-22T21:44:15+01:00
R=6
l²= 8²+ 6²
l²= 64+ 36
l²= 100 /√
l= 10

pb= πrl
pb=π6 * 10
pb= 60π
1 3 1