已知弧长=63.015m；玄长=62.971m；求半径?那位老师知道的告诉下,顺便把公式也告诉我,
问题描述：
已知弧长=63.015m；玄长=62.971m；求半径?那位老师知道的告诉下,顺便把公式也告诉我,
答
已知弧长C=63.015m；玄长L=62.971m；求半径R?
Rn+1=(1+(L-2*Rn*SIN(C/(2*Rn)))/(L-C*COS(C/(2*Rn))))*Rn
R0=400
R1=455.867
R2=482.244
R3=486.635
R4=486.737
R5=486.738
R6=486.738
R=486.738m