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Which of the following statements are always true of parallelograms?
It is a quadrilateral.
It has right angles.
Both pairs of opposite sides are parallel.
The sides are all the same lengths.
All four angles are congruent.

Respuesta :

the first and third statements are true

pristina

Answer:

It is a quadrilateral and  Both pairs of opposite sides are parallel are the correct answer.

Step-by-step explanation:

The parallelogram is a quadrilateral with opposite sides of a parallelogram are parallel.

properties of parallelogram :

  • Two sets of Opposite sides are of equal length and opposite angles are equal in measure.
  • Two diagonals are there in parallelogram which meet at their middle point
  • Every diagonal bisects the quadrilateral in pair congruent triangles.
  • Adjacent angles in a quadrilateral are always supplementary.

Examples of parallelograms are

  • Rhomboid
  • rectangles
  • squares
  • rhombuses

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