YOU SAID:
its the radius times 2pi
INTO JAPANESE
それは半径の時間2piです
BACK INTO ENGLISH
it's radius time 2pi
INTO JAPANESE
それは半径時間2piです
BACK INTO ENGLISH
It's a radius time 2pi
INTO JAPANESE
それは半径時間2piです
BACK INTO ENGLISH
It's a radius time 2pi
Well done, yes, well done!