(2012 edition)
These are the errors we have discovered so far. Please inform us if you find others!
Page 14: The definition of kite should say "a quadrilateral with two disjoint pairs of consecutive congruent sides."
Page 17: In Exercise 5, the definition of kite should say "a quadrilateral with two disjoint pairs of consecutive sides congruent."
Page 86: Activity 2e should refer to part d.
Page 204: Exercise 44 should read "...is a group. Identify..."
Page 288: In Activity 1 part b should read "Does every such point P on the line y=1 have a corresponding line..."
Page 326: In the paragraph describing the Law of Cosines, "...is the angle between sides a and b."
Page 327: In Exercises 2 and 3, "measures" is misspelled.