1. rayon   ray   edge   perpendicular lines   plane   Hint Half-n-half Clue   2. ovale   oval   hemisphere   parallelogram   parallel lines   Half-n-half Clue   3. pentagone   vertex   hemisphere   pyramid   pentagon   Half-n-half Clue   4. polygone   polygon   rhombus   quadrilateral   ellipse   Half-n-half Clue   5. losange   rhombus   prism   hemisphere   quadrilateral   Half-n-half Clue   6. hexagone   parallel lines   polygon   hexagon   heptagon   Half-n-half Clue   7. hémisphère   vertex   prism   pyramid   hemisphere   Half-n-half Clue