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s-średnica=16cm
l-tworząca
H-wysokość
np.l^2-l do kwadratu a /2 to pierwiastek z 2
10*160%=16
l^2=10^2 + 8^2
l^2=100 + 64
l^2=164
l=2/41
P=πr^2+πrl
P= 8^2π + 2/41*8π
P= 64π+ 16/41π
P= 16π(4+/41)cm^2