Question

圆中知道了弧长4米和弦长3.86米,求半径?

Answer 1

圆中知道了弧长C=4米和弦长L=3.86米,求半径R?

Rn+1=(1+(L-2*Rn*SIN(C/(2*Rn)))/(L-C*COS(C/(2*Rn))))*Rn

R0=4

R1=4.281

R2=4.339

R3=4.341

R4=4.341

R=4.341米