1. prisma   prism   parallel lines   straight line   plane   Hint Half-n-half Clue   2. pirámide   parallel lines   pyramid   ray   pentagon   Half-n-half Clue   3. cuadrilátero   vertex   convex   quadrilateral   hexagon   Half-n-half Clue   4. óvalo   oval   plane   pentagon   segment   Half-n-half Clue   5. líneas paralelas   quadrilateral   ellipse   parallel lines   pentagon   Half-n-half Clue   6. línea recta   ray   straight line   plane   parallelogram   Half-n-half Clue   7. segmento   segment   perpendicular lines   convex   plane   Half-n-half Clue