Jawabanmu

2014-05-21T15:42:17+07:00
D = 88*7/22 = 28
Maka jari2 = 28:2 = 14
#maafklosalah
2014-05-21T15:43:07+07:00
K=pi *d
88=3,14* d
d= 88:3,14
d= 28,025