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l=2*πr
P=π*r²
1.Kwadrat:
r= 1cm
a) l=2*π*1
l= 2πcm
b)P=π*1²
P= 1πcm²
2.Trójkąt:
r= 1cm
a) l=2*π*1
l= 2πcm
b)P=π*1²
P= 1πcm²
3.Sześciokąt foremny:
r= 1cm
a) l=2*π*1
l= 2πcm
b)P=π*1²
P= 1πcm²