弧长C=800米 弧高H=50米 求半径R?
Rn+1=(1-(Rn*COS(C/(2*Rn))-Rn+H)/((C/2)*SIN(C/(2*Rn))-H))*Rn
R0=1500
R1=1581.705
R2=1591.475
R3=1591.596
R4=1591.596
R=1591.596米
弧长C=800米 弧高H=50米 求半径R?
Rn+1=(1-(Rn*COS(C/(2*Rn))-Rn+H)/((C/2)*SIN(C/(2*Rn))-H))*Rn
R0=1500
R1=1581.705
R2=1591.475
R3=1591.596
R4=1591.596
R=1591.596米