1. hemisphere   Gipfel   Hemisphäre   oval   Konkav   Hint Half-n-half Clue   2. perpendicular lines   Senkrechtlinien   Konkav   parallele Linien   Viereck   Half-n-half Clue   3. convex   Kante   Konvex   flach   Parallelogramm   Half-n-half Clue   4. straight line   Kante   gerade Gerade   oval   Hexagon   Half-n-half Clue   5. pentagon   Pentagon   oval   Prisma   Gipfel   Half-n-half Clue   6. prism   Ellipse   Pyramide   Prisma   Viereck   Half-n-half Clue   7. pyramid   Vieleck   Pyramide   gerade Gerade   heptágono   Half-n-half Clue