Quadrilateral ABCD is a parallelogram. If AB=2x-10 and CD=x+30,then AB=_

1 answer:

Lerok [7]3 years ago

8 0

Answer: 70

Step-by-step explanation:

Because opposite sides of a parallelogram are equal, AB=CD. So,

2x-10=x+30

x=40

Therefore, AB=2(40)-10=70

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Quadrilateral ABCD is a parallelogram. If AB=2x-10 and CD=x+30,then AB=_​