1. Pyramide   perpendicular lines   heptagon   vertex   pyramid   Hint Half-n-half Clue   2. Hemisphäre   hemisphere   quadrangle   ellipse   pentagon   Half-n-half Clue   3. Viereck   ellipse   segment   ray   quadrangle   Half-n-half Clue   4. Parallelogramm   parallelogram   ray   rhombus   vertex   Half-n-half Clue   5. Rhombus   rhombus   hexagon   heptagon   parallelogram   Half-n-half Clue   6. Kante   edge   pyramid   prism   rhombus   Half-n-half Clue   7. Hexagon   hexagon   parallel lines   heptagon   pyramid   Half-n-half Clue