
Bangun Ruang
Presentation
•
Mathematics
•
9th Grade
•
Hard
Hendry Yufidani
FREE Resource
4 Slides • 0 Questions
1
Bangun Ruang Sisi Lengkung
By Hendry Yufidani
T A B U N G
KERUCUT
BOLA
Kelas IX
2
TABUNG ( CYLINDER )
Rumus-rumus pada tabung
a. Volum Tabung V = π r2 t atau V = ¼ π d2 t
b. Luas Selimut Tabung L selimut tabung = π d t
c. Luas Permukaan Tabung L permukaan tabung = 2 π r ( r + t )
atau L permukaan tabung = π d ( r + t )
3
KERUCUT ( C O R N )
Rumus - rumus yang berkaitan dengan kerucut
Volum Kerucut V = ⅓ π r2 t
Luas Selimut Kerucut L selimut kerucut = π r s
Luas Permukaan Kerucut L kerucut = π r ( r + s )
Keterangan : V = volum bangun ruang
L = Luas bangun ruang
r = jari - jari ( fadius ) catatan π = 3, 14 atau π = 22/7
d = diameter
t = tinggi
4
B O L A
Rumus - rumus yang berkaitan dengan bola
Volum Bola V bola = 4/3 π r3
Luas Kulit Bola L kulit bola = 4 π r2
Luas Belahan Bola Padat L = 3 π r2
Luas Belahan Bola Tidak Padat L = 2 π r2
Luas Lingkaran L = π r2
Bangun Ruang Sisi Lengkung
By Hendry Yufidani
T A B U N G
KERUCUT
BOLA
Kelas IX
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