関連ワード:
what do you call the middle of a circle what do you call the center of a circle what do you call the centre of a circle what do u call the center of a circle what do you call the center point of a circle what do you call the point in the middle of a circle what do you call the dot in the middle of the circle what do you call a chord that passes through the center of a circle what do we call any force pulling toward the center of a circle what is the middle of a circle called
