Jawabanmu

2014-02-06T21:30:08+07:00
A:B=5:4
K.A= 22/7 x d
88=22/7x d
d= 7/22x88
d=28
2014-02-06T21:37:02+07:00
Kll = 2πr
88   = 2 X 22/7 X r
88 X 7 ÷ 44 = r
14 = r
diameter lingkaran kecil = 4/5 X 24
                                          = 19,2