1. óvalo   plane   heptagon   vertex   oval   Hint Half-n-half Clue   2. hexágono   prism   edge   quadrilateral   hexagon   Half-n-half Clue   3. pentágono   straight line   pentagon   prism   perpendicular lines   Half-n-half Clue   4. hemisferio   pyramid   hexagon   polygon   hemisphere   Half-n-half Clue   5. cuadrilátero   quadrangle   ray   perpendicular lines   pyramid   Half-n-half Clue   6. cuadrilátero   prism   quadrilateral   parallelogram   vertex   Half-n-half Clue   7. segmento   pentagon   straight line   hemisphere   segment   Half-n-half Clue