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  • 24-01-2017
  • Mathematics
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I need help solving this problem.

I need help solving this problem. class=

Verified Answer :

helpmetnx helpmetnx
  • 24-01-2017

A four cornered figure shape (lol) the angles of it equal 360 total
you have three angles given
we can make an equation to solve for x
so
90 + 90+ 128 + x = 360
combine like terms 
308 + x = 360 
subtract 308 from both sides 
x = 52 

Hope this helps :)

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