ini juga yaa... thanks

Lp tabung
= 2πr (r + t)
= 2π(12) (12 + 24)
= 24π(36)
= 864π

#semoga membantu

LP = 2 π r ( r + t )
LP = 2 π 12 ( 12 + 24 )
LP = 24 × 36 π
LP = 864 π