Lp tabung = 2πr (r+t)
= 2 (22/7 x 14) (14+35)
= 2 x 44 x 49
= 4312 cm²
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Lp tabung = 2πr (r+t)
= 2 (22/7 x 14) (14+35)
= 2 x 44 x 49
= 4312 cm²