Angles and Measures

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Across
  1. 1. Two angles whose sum of their measure is 90 degrees
  2. 3. A triangle with three equal angles, each measure 60 degrees
  3. 6. Two angles whose sum of their measure is 180 degrees
  4. 8. Pairs of opposite angles formed by intersecting line with the same measure
  5. 12. Two angles that have the same vertex and one side in common
  6. 13. Part of a line with one endpoint and extends indefinitely in one direction
  7. 14. Figures that have the same size and shape
  8. 15. An angle formed by extending one side of a polygon at any vertex
Down
  1. 2. An angle with a measure between 90 and 180 degrees
  2. 4. An angle less than 90 degrees
  3. 5. A point at which two or more lines cross in a figure
  4. 7. A short line used to mark the side of a triangle
  5. 9. Any angle within a polygon
  6. 10. A common point to both sides of an angle
  7. 11. A tool used to draw or measure angles