R=po*L/S
R=150
d=0.03
po=0.055
S=πd²/4
L=R*S/po=R*π*d²/(4*po)=150*3.14*0.03²/(4*0.055)=1,93 м
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Verified answer
R=po*L/S
R=150
d=0.03
po=0.055
S=πd²/4
L=R*S/po=R*π*d²/(4*po)=150*3.14*0.03²/(4*0.055)=1,93 м