Jawabanmu

2014-09-11T20:30:39+07:00
Diket:
L tb tanpa tutup=3454cm
r=10cm
ditanya: V=?
jwb:
V=La.t
L tb tnp tutup=La+L selimut
3454= \pi .r.r + t. \pi .2.r.t
3454=3,14.10.10 + 3,14.2.10.t
3454=314 + 62,8t
3454-314=62,8t
3140=62,8t
3140:62,8=t
50=t

V tb=La.t
= \pi .r.r.t
=3,14.10.10.50
=314.50
=15.700
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