1. prisma   prism   perpendicular lines   ellipse   straight line   Hint Half-n-half Clue   2. vértice   vertex   pyramid   edge   segment   Half-n-half Clue   3. retas paralelas   straight line   edge   parallel lines   plane   Half-n-half Clue   4. segmento   oval   vertex   segment   polygon   Half-n-half Clue   5. quadrilátero   quadrangle   straight line   pentagon   ray   Half-n-half Clue   6. oval   plane   edge   oval   ray   Half-n-half Clue   7. quadrilátero   straight line   quadrilateral   rhombus   ellipse   Half-n-half Clue