1. Parallelogramm   hemisphere   ellipse   segment   parallelogram   Hint Half-n-half Clue   2. oval   heptagon   oval   convex   parallel lines   Half-n-half Clue   3. Prisma   vertex   perpendicular lines   hexagon   prism   Half-n-half Clue   4. Pyramide   pentagon   ellipse   parallelogram   pyramid   Half-n-half Clue   5. Hemisphäre   hemisphere   hexagon   perpendicular lines   ray   Half-n-half Clue   6. flach   plane   ray   quadrilateral   convex   Half-n-half Clue   7. gerade Gerade   straight line   ray   vertex   parallelogram   Half-n-half Clue