1. plano   plane   quadrangle   ellipse   straight line   Hint Half-n-half Clue   2. polígono   parallelogram   ray   polygon   concave   Half-n-half Clue   3. elipse   ellipse   segment   heptagon   oval   Half-n-half Clue   4. pentágono   polygon   rhombus   pentagon   convex   Half-n-half Clue   5. rombo   ellipse   rhombus   oval   hexagon   Half-n-half Clue   6. cima   straight line   vertex   convex   quadrangle   Half-n-half Clue   7. cóncavo   pentagon   pyramid   concave   quadrangle   Half-n-half Clue