Jawabanmu

2014-02-21T17:23:27+07:00
K=2*pi*r =2*3.14*32 =6.28*32 K=200.96 keterangan: * » kali. contoh : 2 kali 3.14
2014-02-21T17:23:41+07:00
Kll =  \pi  d
    = 3.14 x 64
    = 200,96 m