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Some one help me solve for x
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Some one help me solve for x

Some one help me solve for x-example-1
User Leszek Jasek
by
3.0k points

1 Answer

1 vote

Answer:

x = 10

Explanation:

The sum of the interior angles of a quadrilateral = 360°

Sum the angles and equate to 360

9x + 15 + 85 + 90 + 80 = 360, that is

9x + 270 = 360 ( subtract 270 from both sides )

9x = 90 ( divide both sides by 9 )

x = 10

User Erick Robertson
by
2.9k points
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