1. cylinder   shikakukei   shuuichou   entou   enryuu   Hint Half-n-half Clue   2. sphere   kukei   menseki   sen   kyuu   Half-n-half Clue   3. point   entou   ten   shikakukei   gawa   Half-n-half Clue   4. area   kukei   sen   menseki   ensui   Half-n-half Clue   5. cube   sankakukei   hankei   menseki   sanjoo、rippoutai   Half-n-half Clue   6. rectangle   kyuu   kukei   kaku   sankakukei   Half-n-half Clue   7. cone   maru   enryuu   ensui   sanjoo、rippoutai   Half-n-half Clue