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Answered

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For what value of x is JKLM a parallelogram? Marking people as brainlist

For What Value Of X Is JKLM A Parallelogram Marking People As Brainlist class=

Sagot :

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9514 1404 393

Answer:

  C  21

Step-by-step explanation:

You can approach this any of several ways. The following conditions must be true:

  adjacent angles total 180°

  opposite angles are congruent

Using the latter relation on the upper right and lower left angles, we have ...

  4x -1 = 3x +20

  x = 21 . . . . . . . . . . add 1-3x to both sides

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