What are the properties of a parallelogram?


Property 1:

Opposite sides of a parallelogram are congruent.


In the above parallelogram, AB = CD and AD = BC 

Property 2:

Opposite angles of a parallelogram are congruent.

In the above parallelogram,  ∠A = ∠C   and  ∠B = ∠D

 

Property 3:

The diagonals of a parallelogram bisect each other.

Here, AC bisects BD at the intersection point, O.

 

Property 4:

Consecutive angles are supplementary or add up to 180 degrees.

In the above parallelogram,

∠A + ∠B = 180°

∠B + ∠C = 180°

∠C + ∠D = 180°

∠D + ∠A = 180°

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Simply Easy Learning

Updated on: 10-Oct-2022

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