1. rayo   ray   rhombus   hexagon   segment   Hint Half-n-half Clue   2. prisma   parallelogram   prism   plane   convex   Half-n-half Clue   3. cóncavo   hexagon   concave   pyramid   plane   Half-n-half Clue   4. pirámide   hemisphere   straight line   pyramid   polygon   Half-n-half Clue   5. cima   perpendicular lines   concave   vertex   ellipse   Half-n-half Clue   6. segmento   segment   vertex   convex   parallel lines   Half-n-half Clue   7. hemisferio   vertex   hemisphere   segment   ellipse   Half-n-half Clue