Jawabanmu

2014-08-24T12:00:02+07:00
Jarijarinya = (88 x 7/22) : 2 = 14 cm
Volumenya = 22/7 x 14 x 14 x 25 = .....
2014-08-24T12:01:07+07:00
P balok = keliling alas tabung = 88cm
lebar = tinggi =25cm

k =2 πr
88 = 2x22/7 xr
88 = 44/7r
88 : 44/7 = r
88 x 7/44 = r
14 = r

Vt = πt³
=22/7 x 14 x  14 x25
=15400

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