1. triangle   san [jia;jiao;jue]   yuan zhou   [bian;bian]   [qu;qu] xian   Hint Half-n-half Clue   2. radius   zhou [chang;zhang]   [zheng;zheng] fang xing   [bian;bian]   ban jing   Half-n-half Clue   3. diameter   dian   yuan zhou   yuan tong   zhi jing   Half-n-half Clue   4. circumference   zhui [ti;ti]   yuan zhou   yuan tong   xian   Half-n-half Clue   5. line   li fang [ti;ti]   ban jing   zhi jing   xian   Half-n-half Clue   6. side   yuan zhou   [bian;bian]   [juan;juan;quan] zi   yuan tong   Half-n-half Clue   7. point   dian   [bian;bian]   [chang;zhang] fang xing   [qu;qu] xian   Half-n-half Clue