1. plano   plane   ellipse   pyramid   perpendicular lines   Hint Half-n-half Clue   2. polígono   hexagon   polygon   concave   quadrilateral   Half-n-half Clue   3. paralelogramo   parallelogram   pyramid   quadrilateral   oval   Half-n-half Clue   4. pentágono   hemisphere   quadrilateral   hexagon   pentagon   Half-n-half Clue   5. segmento   prism   segment   vertex   convex   Half-n-half Clue   6. quadrilátero   concave   pyramid   quadrilateral   plane   Half-n-half Clue   7. hexágono   oval   hexagon   polygon   parallelogram   Half-n-half Clue