1. rayon   convex   ray   rhombus   pyramid   Hint Half-n-half Clue   2. quadrilatère   quadrangle   oval   quadrilateral   hexagon   Half-n-half Clue   3. ligne droite   straight line   oval   segment   plane   Half-n-half Clue   4. sommet   polygon   pentagon   vertex   rhombus   Half-n-half Clue   5. hexagone   ellipse   vertex   hexagon   rhombus   Half-n-half Clue   6. losange   rhombus   parallelogram   heptagon   concave   Half-n-half Clue   7. quadrilatère   quadrangle   segment   hemisphere   quadrilateral   Half-n-half Clue