bok trojkąta 60:2=20
r=(a pierwiastek z 3)/6
r=(20 pierwiastków z 3)/6=(10 pierwiastków z 3)/3
Pk=pi r^2=pi*(10 pierwiastków z 3)/3=pi * 300/3= 100pi/3
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bok trojkąta 60:2=20
r=(a pierwiastek z 3)/6
r=(20 pierwiastków z 3)/6=(10 pierwiastków z 3)/3
Pk=pi r^2=pi*(10 pierwiastków z 3)/3=pi * 300/3= 100pi/3