LP tabung + LS kerucut
π x r ( r + s + 2tt )
3,14 x 30 ( 30 + 50 + 2(60) )
94,2 ( 200 )
18.840 cm²
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LP tabung + LS kerucut
π x r ( r + s + 2tt )
3,14 x 30 ( 30 + 50 + 2(60) )
94,2 ( 200 )
18.840 cm²