1. parallelogram   shihenkei   suisen   heikoushihenkei   shikakkei   Hint Half-n-half Clue   2. pentagon   shihenkei   gokakkei   heikousen   rankei   Half-n-half Clue   3. quadrilateral   shihenkei   rankei   piramiddo   suisen   Half-n-half Clue   4. rhombus   ryoukei、hasuhoukei   shihenkei   takakkei   heikoushihenkei   Half-n-half Clue   5. concave   purizumu   suisen   oumen   piramiddo   Half-n-half Clue   6. ellipse   gokakkei   touchou   heikoushihenkei   chouen   Half-n-half Clue   7. hemisphere   kukiri,bubun   hankyuutai   gokakkei   shikakkei   Half-n-half Clue