已知弧长C和弧到弦之间的距离H,求半径R?如：已知弧长C=3.66m,拱高H=0.16m,求半径R是多少?Rn+1=(1-(Rn*COS(C/(2*Rn))-Rn+H)/((C/2)*SIN(C/(2*Rn))-H))*RnR0=10R1=10.4033R2=10.4383R3=10.4385R4=10.4385R=10.4385m...