1. saptabhuj   heptagon   hemisphere   convex   segment   Hint Half-n-half Clue   2. panchbhuj   pentagon   hexagon   plane   quadrilateral   Half-n-half Clue   3. bahubhuj   oval   heptagon   polygon   prism   Half-n-half Clue   4. samaanaantar chaturbhuj   plane   parallel lines   parallelogram   oval   Half-n-half Clue   5. shatakon   hexagon   polygon   ellipse   pentagon   Half-n-half Clue   6. lamb rekhaayen   vertex   oval   perpendicular lines   ellipse   Half-n-half Clue   7. tal, plane   plane   parallel lines   vertex   pyramid   Half-n-half Clue