Geometry Ch1 Vocabulary

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Across
  1. 3. two angles whose measures have a sum of 90 degrees are called ____
  2. 7. two angles whose measures have a sum of 180 degrees are called ____
  3. 8. a point that divides a segment into two congruent segments
  4. 10. the sum of the lengths of the sides of a polygon
  5. 11. a geometrical building block created by two rays with the same endpoint
  6. 12. a ray that divides an angle into two congruent angles
  7. 13. two angles that share a common side and vertex are called ____
  8. 14. an angle that has a measure of more than 90 degrees but less than 180 degrees is called ____
Down
  1. 1. a part of a line that consists of one endpoint and all the points of the line on one side
  2. 2. two lines that intersect to form right angles are called ____
  3. 4. the number of square units a polygon encloses
  4. 5. a part of a line that consists of two endpoints
  5. 6. two rays that share the same endpoint and form a line
  6. 9. two angles whose sides are opposite rays are called ____
  7. 11. an angle that has a measure of less than 90 degrees is called ____