1. reta, linha reta   parallelogram   segment   straight line   quadrangle   Hint Half-n-half Clue   2. segmento   pyramid   segment   pentagon   plane   Half-n-half Clue   3. raio   pyramid   ellipse   segment   ray   Half-n-half Clue   4. hexágono   pyramid   polygon   hexagon   plane   Half-n-half Clue   5. quadrilátero   plane   quadrilateral   polygon   pyramid   Half-n-half Clue   6. polígono   polygon   ray   parallel lines   straight line   Half-n-half Clue   7. retas perpendiculares   oval   straight line   prism   perpendicular lines   Half-n-half Clue