l = 40% 2(pi)R = 40/100 2(pi)Rze wzoru na dl lukul = (\alpha / 360*) * 2(pi)Rotrzymujemy:\alpha = {(40/100)*2(pi)R*360} / 2(pi)R = 40*360/100 = 144 st.
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l = 40% 2(pi)R = 40/100 2(pi)R
ze wzoru na dl luku
l = (\alpha / 360*) * 2(pi)R
otrzymujemy:
\alpha = {(40/100)*2(pi)R*360} / 2(pi)R = 40*360/100 = 144 st.