1. parallele Linien   hexagon   hemisphere   heptagon   parallel lines   Hint Half-n-half Clue   2. Strahl   quadrilateral   segment   polygon   ray   Half-n-half Clue   3. Rhombus   parallel lines   rhombus   ray   oval   Half-n-half Clue   4. Vieleck   edge   vertex   polygon   pyramid   Half-n-half Clue   5. Prisma   vertex   parallel lines   prism   segment   Half-n-half Clue   6. heptágono   parallelogram   perpendicular lines   hemisphere   heptagon   Half-n-half Clue   7. flach   plane   convex   oval   segment   Half-n-half Clue