Jawab:
a. V = 7241,14 m^3
L = 1810.28 m^2
b. V = 523,80 cm^3
L = 314,28 cm^2
c. V = 905,14 dm^3
L = 452,57 dm^2
Penjelasan dengan langkah-langkah:
Volume dan luas bola.
a.
Diketahui
r = 12 m
Ditanya
V = ?
L = ?
V = 4/3 . π . r^3
V = 4/3 . 22/7 . 12^3
V = 7241,14 m^3
L = 4 . π . r^2
L = 4 . 22/7 . 12^2
b.
d = 10 cm
r = 5 cm
V = 4/3 . 22/7 . 5^3
V = 523,80 cm^3
L = 4 . 22/7 . 5^2
c.
d = 12 dm
r = 6 dm
V = 4/3 . 22/7 . 6^3
V = 905,14 dm^3
L = 4 . 22/7 . 6^2
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Jawab:
a. V = 7241,14 m^3
L = 1810.28 m^2
b. V = 523,80 cm^3
L = 314,28 cm^2
c. V = 905,14 dm^3
L = 452,57 dm^2
Penjelasan dengan langkah-langkah:
Volume dan luas bola.
a.
Diketahui
r = 12 m
Ditanya
V = ?
L = ?
V = 4/3 . π . r^3
V = 4/3 . 22/7 . 12^3
V = 7241,14 m^3
L = 4 . π . r^2
L = 4 . 22/7 . 12^2
L = 1810.28 m^2
b.
Diketahui
d = 10 cm
r = 5 cm
Ditanya
V = ?
L = ?
V = 4/3 . π . r^3
V = 4/3 . 22/7 . 5^3
V = 523,80 cm^3
L = 4 . π . r^2
L = 4 . 22/7 . 5^2
L = 314,28 cm^2
c.
Diketahui
d = 12 dm
r = 6 dm
Ditanya
V = ?
L = ?
V = 4/3 . π . r^3
V = 4/3 . 22/7 . 6^3
V = 905,14 dm^3
L = 4 . π . r^2
L = 4 . 22/7 . 6^2
L = 452,57 dm^2