Answer :

13 cm  long is PQ in  parallelogram .

What does parallelogram mean in a nutshell?

  • A parallelogram is a geometric shape with parallel sides that exists in two dimensions.
  • The pair of parallel sides in this sort of polygon with four sides, also known as a quadrilateral, are of equal length.
  • In a parallelogram, the sum of the adjacent angles is 180 degrees.

Perimeter of ∥gm = - 40 cm

 2(PQ+ PS) = - 40

  2 ( PQ + 7 ) = 40

        PQ + 7 = 20

           PQ = 20 - 7

           PQ = 13 cm

Learn more about parallelogram

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