Jawabanmu

2014-09-12T20:22:03+07:00
Jika r = 77 maka luas = 22/7 x 77 x 77 = 22 x 11 x 77 = 18634
jika r = 31.5 maka luas = 3.14 x 31.5 x 31.5 = 3115,665
2014-09-12T20:45:40+07:00
Jika r = 77 maka >>
22/7 x 77 x 77 = 22 x 11 x 77 = 18634

jika r = 31.5 maka >>
22/7 x 31.5 x 31.5 = 22/7 x 992.25 = 3118.5