LP=πr(r+2t) LP= 22/7 x 14 (14+ 2 x 30) LP= 22 x 2 (14+60) LP= 44 (74) LP= 3256 cm²
Hopefully this is the best for you, stay focus and be the best, Buddy :)
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nunjauh
Keliling alas: 22/7 x 28 = 88 cm luas alas : 22/7 x 14x14 = 616 cm2 luas bagian atas= 30 x 88 = 2640 cm2 luas tabung tanpa tutup : 616 + 2640 = 3256 cm2
Verified answer
R= 14 cmt= 30 cm
Ditanya= LP tanpa tutup?
LP=πr(r+2t)
LP= 22/7 x 14 (14+ 2 x 30)
LP= 22 x 2 (14+60)
LP= 44 (74)
LP= 3256 cm²
Hopefully this is the best for you, stay focus and be the best, Buddy :)
luas alas : 22/7 x 14x14 = 616 cm2
luas bagian atas= 30 x 88 = 2640 cm2
luas tabung tanpa tutup : 616 + 2640 = 3256 cm2