1. côncavo   concave   hemisphere   parallel lines   quadrangle   Hint Half-n-half Clue   2. hexágono   vertex   polygon   hexagon   hemisphere   Half-n-half Clue   3. oval   quadrangle   oval   plane   hemisphere   Half-n-half Clue   4. elipse   convex   edge   hexagon   ellipse   Half-n-half Clue   5. convexo   convex   plane   prism   rhombus   Half-n-half Clue   6. losango, rombo   plane   oval   straight line   rhombus   Half-n-half Clue   7. retas paralelas   oval   quadrangle   ray   parallel lines   Half-n-half Clue