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the given quadrilateral are parallelogram.Find the value of line AB.​

The Given Quadrilateral Are ParallelogramFind The Value Of Line AB class=

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PARALLELOGRAMS

Given

  • AB = 3x - 2 m
  • DC = x + 20 m

In a parallelogram, AB ≅ DC so AB = DC.

AB = DC

3x - 2 = x + 20

3x - x = 2 + 20

2x = 22

2x / 2 = 22 / 2

x = 11

Let x = 11

AB = 3x - 2

AB = 3(11) - 2

AB = 33 - 2

AB = 31 m

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