Khan Academy Static

A quadrilateral is a four sides polygon with 4 angles. In this topic we will learn about the different kinds of quadrilaterals that can exist!

8521_Proof_Opposite_sides_of_a_parallelogram.html

8520_Kites_as_a_geometric_shape.html

8522_Proof_Opposite_angles_of_a_parallelogram.html

8523_Proof_Diagonals_of_a_parallelogram.html