1. elipse   convex   ellipse   quadrangle   hexagon   Hint Half-n-half Clue   2. raio   hexagon   perpendicular lines   edge   ray   Half-n-half Clue   3. polígono   polygon   segment   plane   quadrangle   Half-n-half Clue   4. pirâmide   prism   pyramid   segment   convex   Half-n-half Clue   5. quadrilátero   quadrangle   ray   edge   polygon   Half-n-half Clue   6. pentágono   quadrilateral   pentagon   straight line   edge   Half-n-half Clue   7. oval   quadrilateral   oval   edge   vertex   Half-n-half Clue