Jawabanmu

Jawaban paling cerdas!
2014-05-22T20:58:49+07:00
L limas = Lalas+6Luas segitiga sisi tegak
= ((72x3) + (32)) + (6x30)
= 248 + 180
= 428cm2
1 5 1
2014-05-22T20:59:35+07:00
Lselimut=6.1/2.12.10=360
Lalas=3/2.12.12akar3=216akar3
Lpermukaan=360+216akar3