1. líneas paralelas   polygon   ellipse   vertex   parallel lines   Hint Half-n-half Clue   2. hemisferio   hemisphere   pentagon   quadrilateral   concave   Half-n-half Clue   3. rayo   straight line   ray   parallel lines   polygon   Half-n-half Clue   4. cima   quadrilateral   parallelogram   ellipse   vertex   Half-n-half Clue   5. óvalo   hexagon   pentagon   plane   oval   Half-n-half Clue   6. heptágono   oval   heptagon   convex   ray   Half-n-half Clue   7. pirámide   pyramid   pentagon   parallelogram   ellipse   Half-n-half Clue