Last Updated：2025/11/24
A convex quadrilateral is inscribable in a circle precisely when the sums of its opposite angles are equal to 180 degrees.
See correct answer
A convex quadrilateral is inscribable in a circle precisely when the sums of its opposite angles are equal to 180 degrees.
音声機能が動作しない場合はこちらをご確認ください
Edit Histories（0）
