" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
r = 10 cm
cari alas + tutup..
r kuadrat x 2
3.14 x 100 x 2
=314 cm2 x 2
=628 cm2
cari keliling alas..
x d
=3.14 x 20 cm
=62,8 cm
lalu.. 62,8 kali tinggi tabungny
62.8x30 = 1884 cm2
dijumlah aja... 628 + 1884 = 2512 cm2
maaf kalo salah.. udh lupa :3
L = 3,14 (10 + 2 .30)
L = 3,14 (10 + 60)
L = 3,14 (70)
L = 219,8
L = 220
ini kan luas tabung tanpa tutup