1. concave   concave   rhombus   convex   pentagon   Hint Half-n-half Clue   2. hémisphère   pyramid   parallelogram   hemisphere   plane   Half-n-half Clue   3. convexe   ray   hemisphere   convex   polygon   Half-n-half Clue   4. segment   parallelogram   segment   hexagon   ray   Half-n-half Clue   5. rebord   oval   edge   segment   convex   Half-n-half Clue   6. hexagone   convex   hexagon   quadrilateral   straight line   Half-n-half Clue   7. plat   plane   convex   rhombus   prism   Half-n-half Clue