1. area   chokkei   kyakusen,　kaabu   hankei   menseki   Hint Half-n-half Clue   2. circumference   ten   enryuu   shikakukei   menseki   Half-n-half Clue   3. diameter   ensui   kaku   sen   chokkei   Half-n-half Clue   4. point   ten   menseki   sen   chokkei   Half-n-half Clue   5. cylinder   ten   entou   kaku   sankakukei   Half-n-half Clue   6. cone   enryuu   ensui   kyuu   ten   Half-n-half Clue   7. radius   shuuichou   hankei   hanen   kyuu   Half-n-half Clue