1. parallel lines   Ellipse   parallele Linien   heptágono   oval   Hint Half-n-half Clue   2. perpendicular lines   Rhombus   Senkrechtlinien   Prisma   oval   Half-n-half Clue   3. parallelogram   Parallelogramm   Kante   parallele Linien   Gipfel   Half-n-half Clue   4. pentagon   Strahl   Pentagon   Segment   heptágono   Half-n-half Clue   5. plane   Kante   oval   flach   Parallelogramm   Half-n-half Clue   6. straight line   gerade Gerade   Segment   Konvex   Vieleck   Half-n-half Clue   7. hexagon   Parallelogramm   Ellipse   Konkav   Hexagon   Half-n-half Clue