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LENIEMANINGOIN
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What is the value of x?

on the picture​

What Is The Value Of Xon The Picture class=

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KELSEYABIGAIL14IN

The sum of all exterior angles of a quadrilateral is equal to 360°.

Then,

3x + 116 + 92 + 89 = 360°

3x + 297 = 360°

3x = 360 - 297

3x = 63

3x/3 = 63/3

x = 21

Check:

3x + 116 + 92 + 89 = 360°

3x + 297 = 360°

3(21) + 297 = 360°

63 + 297 = 360°

360 = 360°

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