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