Angles and Triangles

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Across
  1. 2. a triangle with two equal sides
  2. 4. angles that are "next to" each other
  3. 6. an angle that is greater than 90 degrees
  4. 8. equal to
  5. 9. angles that "make an x", are opposite of each other, and are congruent
  6. 10. the sum of the angles equals 180 degrees
  7. 13. an angle that equals 90 degrees
Down
  1. 1. the sum of the angles equals 90 degrees
  2. 3. a triangle with no equal sides
  3. 5. the sum of the measures of a triangle equals 180 degrees
  4. 7. an angle that equals 180 degrees
  5. 11. a triangle that has three equal sides
  6. 12. an angle that is less than 90 degrees