Koło wielkie kuli ma obwód równy .Oblicz pole powierzchni i objętość tej kuli.
l=16π
2πr=16π /:2π
r=8
V=4/3πr³ =4/3π·8³ =4/3π·512 =2048π/3 =682⅔π j³
P=4πr²=4·8²π=4·64π =256π cm²
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l=16π
2πr=16π /:2π
r=8
V=4/3πr³ =4/3π·8³ =4/3π·512 =2048π/3 =682⅔π j³
P=4πr²=4·8²π=4·64π =256π cm²