1. line   dian   [jia;jiao;jue] [du;duo]   xian   zhui [ti;ti]   Hint Half-n-half Clue   2. circle   [qu;qu] xian   zhou [chang;zhang]   yuan tong   [juan;juan;quan] zi   Half-n-half Clue   3. radius   rong [liang;liang]   yuan tong   [ou;qu] yu   ban jing   Half-n-half Clue   4. square   yuan zhou   zhui [ti;ti]   [zheng;zheng] fang xing   zhi jing   Half-n-half Clue   5. semicircle   yuan tong   rong [liang;liang]   ban yuan   li fang [ti;ti]   Half-n-half Clue   6. rectangle   zhui [ti;ti]   [chang;zhang] fang xing   zhou [chang;zhang]   yuan zhou   Half-n-half Clue   7. circumference   qiu xing   dian   ban yuan   yuan zhou   Half-n-half Clue