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PLZ HELP !!!

Find the value of X.

PLZ HELP !!! Find the value of X.-example-1
User Sweta
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1 Answer

3 votes

9514 1404 393

Answer:

60°

Explanation:

The sum of angles in a quadrilateral is 360°. The interior angle adjacent to x will have measure 180°-x. So, the equation can be written ...

100° +50° +90° +(180° -x°) = 360°

420° -x° = 360° . . . . simplify

x = 420 -360 . . . . . . divide by °, add x-360

x = 60

User David Smit
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