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  • Użytkownik Zadane
2010-03-05T16:56:30+01:00
Pp = 100π cm³
V= ?

Pp=4πr²
4πr²=100π
4r²=100
r²=25
r =5 [cm]

V = 4/3πr³
V= 4/3π *5³ = 4/3 *125 π= 500/3 π [cm³]
3 5 3
2010-03-05T16:57:38+01:00
P = 4πr² = 100 π
r²=25
r=5

V = (4/3) πr³ = (4/3)*125π = 166⅔ π
1 5 1
2010-03-05T17:01:24+01:00

P=100п
P=4R²
4пR²=100п /:4п
R²=25
R=5

V=(4/3)пR³=(4/3)п5³=(500/3)п=(166 i 2/3)п
1 5 1