Diketahui
r = 4 cm
t= 10 cm
Ditanyakan
Luas permukaan
Jawab
L = 2 π r ( r + t )
L = 2 × 3.14 × 4 ( 4 + 10 )
L = 25.12 × 14
L = 351.68 cm
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~Mathematics
Diketahui
r = 4 cm
t= 10 cm
Ditanyakan
Luas permukaan
Jawab
L = 2 π r ( r + t )
L = 2 × 3.14 × 4 ( 4 + 10 )
L = 25.12 × 14
L = 351.68 cm