1. cima   ray   polygon   vertex   rhombus   Hint Half-n-half Clue   2. rayo   concave   polygon   ray   hemisphere   Half-n-half Clue   3. borde   edge   hemisphere   ellipse   perpendicular lines   Half-n-half Clue   4. hemisferio   oval   plane   hemisphere   ellipse   Half-n-half Clue   5. paralelogramo   parallelogram   plane   oval   hexagon   Half-n-half Clue   6. polígono   straight line   edge   rhombus   polygon   Half-n-half Clue   7. cuadrilátero   pentagon   quadrilateral   plane   hemisphere   Half-n-half Clue