Penjelasan dengan langkah-langkah:
Penyelesaian =
1.r=14 cm, t=30 cm
luas selimut tabung =
=2×22/7×14×30
=2.640 B
2.Lp tanpa tutup
D=20 cm:r=10 cm, t=24 cm
=3,14×10(10+2.24)
=3,14×10×(10+48)
=3,14×10×58
=1.821,2 D
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Penjelasan dengan langkah-langkah:
Penyelesaian =
1.r=14 cm, t=30 cm
luas selimut tabung =
=2×22/7×14×30
=2.640 B
2.Lp tanpa tutup
D=20 cm:r=10 cm, t=24 cm
=3,14×10(10+2.24)
=3,14×10×(10+48)
=3,14×10×58
=1.821,2 D