Oblicz pole kola opisanego na trójkącie równobocznym o boku długości 8cm.
h=8√3/2=4√3
2/3h=8√3/3=r
P=πr^2
P=64/3π
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h=8√3/2=4√3
2/3h=8√3/3=r
P=πr^2
P=64/3π