1. paralelogramo   hemisphere   parallelogram   convex   parallel lines   Hint Half-n-half Clue   2. raio   plane   straight line   oval   ray   Half-n-half Clue   3. côncavo   edge   concave   rhombus   convex   Half-n-half Clue   4. pentágono   pentagon   rhombus   parallel lines   polygon   Half-n-half Clue   5. oval   quadrangle   hemisphere   ellipse   oval   Half-n-half Clue   6. reta, linha reta   segment   hexagon   straight line   rhombus   Half-n-half Clue   7. vértice   rhombus   vertex   oval   quadrangle   Half-n-half Clue