Penjelasan dengan langkah-langkah:
L = 2πr( r+t )
= 2 x 3,14 x 2 ( 2 + 10 )
= 12,56 ( 12 )
= 150,72 cm²
V = πr²t
= 3,14 x 2 x 2 x 10
= 125,6 cm³
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Penjelasan dengan langkah-langkah:
L = 2πr( r+t )
= 2 x 3,14 x 2 ( 2 + 10 )
= 12,56 ( 12 )
= 150,72 cm²
V = πr²t
= 3,14 x 2 x 2 x 10
= 125,6 cm³