Într-un paralelogram unghiurile alăturate sunt ____. Într-un paralelogram laturile opuse sunt ____ Într-un paralelogram diagonalele se intersecteaza in ____ lor. Un patrulater convex care are unghiurile ____ congruente este un paralelogram. Un patrulater convex care are diagonalele ce se injumătătesc este un ____. Daca un paralelogram are un unghi drept ,atunci el devine ____. Dacă un romb are un unghi drept atunci el devine ____. Un romb cu diagonalele congruente devine ____. Orice dreptunghi are diagonalele ____.

Paralelograme

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