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r = 0,525
K = πd
= 3,14 x 1,05 m
= 3,297 m = 329,7 cm
L = πr²
= 3,14 x 0,525 m x 0,525 m
= 0,865 m² = 86,5 cm²
k=nd
=3,14x1,05
=3,297m=329,7 cm
l=nr
=3,14x0,525
=0,865m=86,5 cm