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1990 AMC 12 Question 28

AMC12 · 1990 AMC 12

Question 28

A quadrilateral that has consecutive sides of lengths $70,$ $90,$ $130,$ and $110$ is inscribed in a circle and also has a circle inscribed in it. The point of tangency of the inscribed circle to the side of length $130$ divides that side into segments of lengths $x$ and $y.$ Find $|x-y|.$
  1. $12$
  2. $13$
  3. $14$
  4. $15$
  5. $16$