amournara amournara

18-01-2019
Mathematics

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There Is A Picture Included This Is 7th Grade Math

There Is A Picture Included This Is 7th Grade Math class=

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jimrgrant1 jimrgrant1

18-01-2019

Answer:

x = 23

Step-by-step explanation:

The exterior angle = sum of the 2 opposite interior angles, hence

2x + 3 + 51 = 100

2x + 54 = 100 ( subtract 54 from both sides )

2x = 46 ( divide both sides by 2 )

x = 23

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