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Verified answer
Materi Tabungr = 14 cm
t = 20 cm
Luas tabung terbuka = luas selimut tabung
Verified answer
Dik; r :14 t: 20 Pi;; 22/7dit: luas seng terbuka
cara~~~~~
ls= 2πrt
ls= 2.22/7 . 14.20
ls = 44.40
ls =1760 cm2