1. [jia;jiao;jue] [du;duo]   line   circle   radius   angle   Hint Half-n-half Clue   2. zhi jing   cube   perimeter   side   diameter   Half-n-half Clue   3. li fang [ti;ti]   diameter   volume   cube   perimeter   Half-n-half Clue   4. ban yuan   semicircle   volume   triangle   radius   Half-n-half Clue   5. [qu;qu] xian   point   area   circumference   curve   Half-n-half Clue   6. san [jia;jiao;jue]   curve   triangle   rectangle   cube   Half-n-half Clue   7. yuan tong   cylinder   area   cube   perimeter   Half-n-half Clue