1. borda   parallelogram   pyramid   edge   plane   Hint Half-n-half Clue   2. vértice   hexagon   vertex   ray   oval   Half-n-half Clue   3. prisma   parallelogram   concave   plane   prism   Half-n-half Clue   4. retas perpendiculares   quadrilateral   vertex   convex   perpendicular lines   Half-n-half Clue   5. hexágono   polygon   hexagon   convex   quadrangle   Half-n-half Clue   6. losango, rombo   plane   vertex   rhombus   convex   Half-n-half Clue   7. paralelogramo   quadrangle   rhombus   parallelogram   perpendicular lines   Half-n-half Clue