Odpowiedzi

2009-11-06T14:25:13+01:00
12π/6π = 2/1

Odp:Stosunek wynosi 2:1.
11 2 11
2009-11-06T14:28:50+01:00
P=πr²
p=π*12²=144π cm²

p=πr²
p=π*6²=36π cm²
144π-36π=108π

12π÷6π=2:1
25 4 25
2009-11-06T15:26:00+01:00
P=πr²
p=π*6²=36π cm²
144π-36π=108π
12π÷6π=2:1
8 4 8