Page 220 - Kover BS Mat 1 Edisi 2015.pdf
P. 220
Contoh 5.14 Menghitung Jari-jari Bola Jika Diketahui Volume
+LWXQJ MDUL MDUL EROD GL VDPSLQJ
Alternaif Penyelesaian:
9ROXPH EROD GL VDPSLQJ DGDODK V = 288 m
4
V = Sr rumus volume bola
4 L = 288 m
288S = Sr substitusi nilai V
216 = r kedua ruas dikali dengan
4S
6 = r
-DUL MDUL EROD DGDODK P
Ayo Kita
Tinjau Ulang
3HUKDWLNDQ NHPEDOL VRDO SDGD &RQWRK -LND MDUL MDUL GLXEDK PHQMDGL NDOL
OLSDWQ\D EHUDSD NDOL OLSDW OXDVQ\D" 6HFDUD XPXP MLND MDUL MDUL GLXEDK PHQMDGL a
NDOL OLSDWQ\D a ! EHUDSD NDOL OLSDW OXDVQ\D"
3HUKDWLNDQ NHPEDOL VRDO SDGD &RQWRK -LND OXDVQ\D GLXEDK PHQMDGL NDOL
OLSDWQ\D EHUDSD NDOL OLSDW MDUL MDULQ\D" 6HFDUD XPXP MLND OXDVQ\D GLXEDK PHQMDGL
a NDOL OLSDWQ\D a ! EHUDSD NDOL OLSDW MDUL MDULQ\D"
3HUKDWLNDQ NHPEDOL VRDO SDGD &RQWRK -LND MDUL MDUL GLXEDK PHQMDGL NDOL
OLSDWQ\D EHUDSD NDOL OLSDW YROXPHQ\D " 6HFDUD XPXP MLND MDUL MDUL GLXEDK PHQMDGL
a NDOL OLSDWQ\D a ! EHUDSD NDOL OLSDW YROXPHQ\D"
3HUKDWLNDQ NHPEDOL VRDO SDGD &RQWRK -LND YROXPHQ\D GLXEDK PHQMDGL
NDOL OLSDWQ\D EHUDSD NDOL OLSDW MDUL MDULQ\D" 6HFDUD XPXP MLND YROXPHQ\D GLXEDK
PHQMDGL a NDOL OLSDWQ\D a ! EHUDSD NDOL OLSDW MDUL MDULQ\D"
Latihan 5.3
Bola
7HQWXNDQ OXDV SHUPXNDDQ GDQ YROXPH EDQJXQ EROD EHULNXW
r = 12 m d = 10 cm d = 12 dm
a. b. c.
212 Kelas IX SMP/MTs Semester 1
