Jawabanmu

2014-06-04T20:44:12+07:00
Lp = ( 2 × luas alas ) + (keliling alas × tinggi prisma)
( 2 × v × r kuadrat ) + ( 2 × v × r )× 10)
(2 × 22/7 × 7 × 7) + ( 2 × 22/7 × 7 × 10)
308 +440 = 748
2014-06-04T20:45:29+07:00
L.perm tabung = 2 × π × r ( r + t)
2 × 22/7 × 7 ( 7 + 10)
2 × 22/7 × 119 = 5236 / 7 = 748 cm^3