1. líneas perpendiculares   oval   parallel lines   perpendicular lines   prism   Hint Half-n-half Clue   2. hexágono   hexagon   ellipse   ray   perpendicular lines   Half-n-half Clue   3. pirámide   polygon   pyramid   prism   vertex   Half-n-half Clue   4. cima   ellipse   vertex   prism   edge   Half-n-half Clue   5. línea recta   quadrilateral   straight line   convex   plane   Half-n-half Clue   6. pentágono   edge   ray   ellipse   pentagon   Half-n-half Clue   7. cuadrilátero   pyramid   parallel lines   polygon   quadrilateral   Half-n-half Clue