YOU SAID:

A central angle of a circle is an angle with its vertex at the center of the circle.

INTO JAPANESE

円の中心角は、円の中心にその頂点の角度です。

BACK INTO ENGLISH

The center angle of the circle is the angle of that vertex at the center of the circle.

INTO JAPANESE

円の中心角は円の中心にその頂点の角度です。

BACK INTO ENGLISH

The center angle of the circle is the angle of that vertex at the center of the circle.