1. लंब रेखाएँ   hexagon   vertex   edge   perpendicular lines   Hint Half-n-half Clue   2. सूचीस्तंभ   vertex   pyramid   plane   polygon   Half-n-half Clue   3. वर्णक्रम, आयता   ray   prism   vertex   hemisphere   Half-n-half Clue   4. तल, प्लेन   rhombus   hemisphere   quadrilateral   plane   Half-n-half Clue   5. भाग   quadrangle   rhombus   pentagon   segment   Half-n-half Clue   6. अण्डाकार   vertex   pyramid   oval   parallel lines   Half-n-half Clue   7. सप्तभुज   pentagon   heptagon   hemisphere   edge   Half-n-half Clue