1. Umfang   angle   perimeter   cylinder   circumference   Hint Half-n-half Clue   2. Rechteck   triangle   curve   circle   rectangle   Half-n-half Clue   3. Kurve   sphere   volume   curve   semicircle   Half-n-half Clue   4. Dreieck   volume   cone   triangle   angle   Half-n-half Clue   5. Kreis   radius   cylinder   circle   triangle   Half-n-half Clue   6. Umgrenzungslinie   perimeter   radius   volume   semicircle   Half-n-half Clue   7. Winkel   line   cube   angle   area   Half-n-half Clue