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Can someone help me with this please

Can Someone Help Me With This Please class=

Sagot :

devishri1977

Answer:

Step-by-step explanation:

9) In parallelogram, adjacent angles are supplementary

14x - 4 + 86 = 180

           14x  = 180 - 86 + 4

           14x = 98

               x = 98/14

              x = 7

10) In parallelogram, opposite angles are congruent.

6x + 4 = 64

      6x = 64 - 4

     6x = 60

      x = 60/6

    x = 10

11) In parallelogram, opposite sides are congruent.

3x + 4 = 2x + 10

 3x -2x + 4 = 10

           x + 4 = 10

                   x = 10-4

                  x = 6

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