1. Senkrechtlinien   perpendicular lines   oval   hemisphere   straight line   Hint Half-n-half Clue   2. Viereck   hemisphere   segment   parallel lines   quadrangle   Half-n-half Clue   3. Viereck   ray   polygon   quadrilateral   segment   Half-n-half Clue   4. gerade Gerade   plane   pyramid   straight line   vertex   Half-n-half Clue   5. Gipfel   oval   hemisphere   vertex   ellipse   Half-n-half Clue   6. parallele Linien   rhombus   ray   parallel lines   straight line   Half-n-half Clue   7. heptágono   quadrangle   ellipse   polygon   heptagon   Half-n-half Clue