Jaki promień ma kula o objętości równej π/48 ?
Wzór na objętość kuli to:
V=4/3πr³
V=π/48
π/48=4/3πr³ /:π
1/48=4/3r³ /*3/4
1/64=r³ /∛
r=1/4=0,25
Odp. Kula ma promień 0,25 [jednostki].
wzor na objetosc kuli :V=4/3 π·r³
4/3π·r³ =π/48
r³=π/48 · 3/4π
r³=1/64
r=∛1/64= 1/4=0,25
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Wzór na objętość kuli to:
V=4/3πr³
V=π/48
π/48=4/3πr³ /:π
1/48=4/3r³ /*3/4
1/64=r³ /∛
r=1/4=0,25
Odp. Kula ma promień 0,25 [jednostki].
V=π/48
wzor na objetosc kuli :V=4/3 π·r³
4/3π·r³ =π/48
r³=π/48 · 3/4π
r³=1/64
r=∛1/64= 1/4=0,25