1. plane   Prisma   Strahl   Vieleck   flach   Hint Half-n-half Clue   2. rhombus   Gipfel   oval   Hemisphäre   Rhombus   Half-n-half Clue   3. heptagon   Rhombus   heptágono   Kante   Gipfel   Half-n-half Clue   4. vertex   Pentagon   flach   Gipfel   Ellipse   Half-n-half Clue   5. perpendicular lines   Konvex   oval   heptágono   Senkrechtlinien   Half-n-half Clue   6. pyramid   Ellipse   Pyramide   Kante   Hexagon   Half-n-half Clue   7. convex   oval   Konkav   Pentagon   Konvex   Half-n-half Clue