Kolo wielkie kuli ma obwod rowny 16π cm. Oblicz pole powierzchni i objetosc tej kuli.
L = 16 πcm
L = 2 πr
2 πr = 16 πcm /: 2 π
r = 8 cm
V = 4/3 π * r³
V = 4/3 π · 8³ = 4/3 π · 512 = ( 2048/3 ) π cm³ = 682⅔ π cm³
Pc = 4 πr² = 4 π * 8² = 4 * 64 π = 256 πcm²
Proszę ;**
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L = 16 πcm
L = 2 πr
2 πr = 16 πcm /: 2 π
r = 8 cm
V = 4/3 π * r³
V = 4/3 π · 8³ = 4/3 π · 512 = ( 2048/3 ) π cm³ = 682⅔ π cm³
Pc = 4 πr² = 4 π * 8² = 4 * 64 π = 256 πcm²
Proszę ;**