1. vertice   hexagon   pentagon   vertex   segment   Hint Half-n-half Clue   2. prisma   concave   hemisphere   prism   perpendicular lines   Half-n-half Clue   3. pentagono   perpendicular lines   ellipse   pentagon   ray   Half-n-half Clue   4. parallelogramma   prism   perpendicular lines   parallelogram   parallel lines   Half-n-half Clue   5. poligono   oval   pentagon   pyramid   polygon   Half-n-half Clue   6. piramide   polygon   plane   pyramid   straight line   Half-n-half Clue   7. piano   plane   convex   prism   quadrilateral   Half-n-half Clue