Vertical angle relationships what is m∠pts?

So since these angles are across from each other they have to equal each other so:
   11(y-10)=4y-5
   11y-110=4y-5
  -4y          -4y
  7y-110=-5
      +110  +110
  7y=105
  divide by seven on both sides of the equation
   y=15
So you would plug 15 into the equation :11(15-10) and with Order or Operations you would do parenthesis first which is 5 times 11 which equals 55 and that would be the measure of your angle

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