1. hemisfério   edge   hemisphere   quadrangle   pentagon   Hint Half-n-half Clue   2. vértice   vertex   quadrilateral   rhombus   oval   Half-n-half Clue   3. elipse   ellipse   hemisphere   plane   perpendicular lines   Half-n-half Clue   4. retas paralelas   parallelogram   vertex   parallel lines   prism   Half-n-half Clue   5. convexo   prism   quadrangle   convex   oval   Half-n-half Clue   6. reta, linha reta   quadrangle   straight line   parallel lines   oval   Half-n-half Clue   7. côncavo   convex   parallelogram   concave   parallel lines   Half-n-half Clue