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Solve for x does anyone know how to do this?​
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1 vote
Solve for x does anyone know how to do this?​

Solve for x does anyone know how to do this?​-example-1
User Yoshiserry
by
6.2k points

1 Answer

3 votes

Answer:

x = 9

Explanation:

The sum of the 4 angles in a quadrilateral = 360°

Sum the given angles and equate to 360

90 + 109 + 9x - 5 + 85 = 360, that is

9x + 279 = 360 ( subtract 279 from both sides )

9x = 81 ( divide both sides by 9 )

x = 9

User Raheel Sadiq
by
5.2k points
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