急,已知弦长11.7m.弧长12.求半径?

发布时间:2021-02-25 07:09:31

急,已知弦长11.7m.弧长12.求半径?

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已知弦长L=11.7m.弧长C=12.求半径R?
Rn+1=(1+(L-2*Rn*SIN(C/(2*Rn)))/(L-C*COS(C/(2*Rn))))*Rn
R0=15R1=15.404
R2=15.433
R3=15.433
R=15.433
======以下答案可供参考======
供参考答案1:
已知弦长L=11.7m.弧长C=12.求半径R?Rn+1=(1+(L-2*Rn*SIN(C/(2*Rn)))/(L-C*COS(C/(2*Rn))))*RnR0=15R1=15.404R2=15.433R3=15.433R=15.433
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供参考答案2:
Rn+1=(1+(L-2*Rn*SIN(C/(2*Rn)))/(L-C*COS(C/(2*Rn))))*Rn
R0=15R1=15.404
R2=15.433
R3=15.433
R=15.433
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