Kreisscheibe
Also known as disc, filled circle, circular area
geometrische Figur
AI overview
A disk is a flat, round shape that includes everything inside a circle, including the circle's edge itself. It matters in mathematics and everyday life because many objects—from plates to wheels to coins—are disk-shaped, making it a fundamental form for understanding geometry and designing practical things.
AI-generated from the Wikipedia summary — may contain errors.