ANSWERS: 1
  • A= 115 B= 90 C= 130 D= 55 E= 150 to solve, know that the sum of the angles of a polygon with 5 sides = 540. add all the equations and set them equal to 540 so you get 22x-54=540, solve for x, then put what x is, in this case 27, into each equation.

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