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Radius of a fan, using the area of ​​the fan and the length of the arc

ÀÛ¼ºÀÚ Uploader : aproduite ÀÛ¼ºÀÏ Upload Date: 2019-10-22º¯°æÀÏ Update Date: 2020-03-14Á¶È¸¼ö View : 278

The area of ​​the fan and the length of the arc with a radius of R and a center angle of ¥è (degree) are as follows.

A = ¥ðR^2 * ¥è/360

L = 2¥ðR * ¥è/360

A/L = (1/2)*R

Thus,

R = 2A/L


*** Âü°í¹®Çå[References] ***

R = 2*A/L
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